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Fix: Infer return types from return statements (fixes #20631) #20632

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madelyngamble2 wants to merge 9 commits into from
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Fix: Infer return types from return statements (fixes #20631) #20632

madelyngamble2 wants to merge 9 commits into from
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@madelyngamble2 madelyngamble2 commented Jan 22, 2026

  • Add logic to infer return types from return statements for functions without explicit return type annotations
  • Collect return types from all return statements and create union type
  • Skip inference for generators, coroutines, and dynamically typed functions
  • Add test case to verify return type inference works correctly

@madelyngamble2 madelyngamble2 mentioned this pull request Jan 22, 2026
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@madelyngamble2 madelyngamble2 force-pushed the fix/20631/Mypy-not-inferring-return-type branch from a67002e to 792ac76 Compare January 22, 2026 19:11
@madelyngamble2 madelyngamble2 force-pushed the fix/20631/Mypy-not-inferring-return-type branch from 9bfb35f to 4e80ab5 Compare January 22, 2026 19:23
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A5rocks commented Jan 22, 2026

This is not fixing the issue?

@madelyngamble2
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madelyngamble2 commented Jan 22, 2026 •
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From this result,
mypy.checker is a core module imported early.
mypy.suggestions is a higher-level module that depends on mypy.build (build graph/state).
Importing suggestions from checker pulled in build, which eventually imports back into checker.

I will update the PR for pass the Test cases. Regards

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@madelyngamble2 madelyngamble2 force-pushed the fix/20631/Mypy-not-inferring-return-type branch 2 times, most recently from e45de0b to 5076431 Compare January 22, 2026 20:07
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@madelyngamble2 madelyngamble2 force-pushed the fix/20631/Mypy-not-inferring-return-type branch from a7305b8 to 0b9d3ce Compare January 22, 2026 20:34
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github-actions bot commented Jan 22, 2026

Diff from mypy_primer, showing the effect of this PR on open source code:

spack (https://github.com/spack/spack)
+ lib/spack/spack/llnl/util/filesystem.py:699: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:705: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:723: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:723: error: Unexpected keyword argument "_permissions" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:792: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:792: error: Unexpected keyword argument "order" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:792: error: Unexpected keyword argument "follow_links" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:792: error: Unexpected keyword argument "ignore" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:792: error: Unexpected keyword argument "follow_nonexisting" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:829: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:835: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:857: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:857: error: Unexpected keyword argument "symlinks" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:857: error: Unexpected keyword argument "ignore" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:857: error: Unexpected keyword argument "_permissions" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1341: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1341: error: Unexpected keyword argument "order" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1341: error: Unexpected keyword argument "ignore" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1341: error: Unexpected keyword argument "follow_nonexisting" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1341: error: Unexpected keyword argument "follow_links" for <lambda>  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:2435: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/paths.py:18: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/util/git.py:40: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1007: note: "working_dir" defined here
+ lib/spack/spack/test/util/git.py:51: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/test/util/git.py:63: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/test/util/git.py:74: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/test/util/git.py:85: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/test/llnl/util/filesystem.py:712: error: Too many arguments for "safe_remove"  [call-arg]
+ lib/spack/spack/test/llnl/util/filesystem.py:732: error: Too many arguments for "keep_modification_time"  [call-arg]
+ lib/spack/spack/version/version_types.py:499: error: Incompatible return value type (got "int | VersionStrComponent | StandardVersion", expected "StandardVersion")  [return-value]
+ lib/spack/spack/util/remote_file_cache.py:121: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/util/remote_file_cache.py:125: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/util/remote_file_cache.py:126: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/util/remote_file_cache.py:130: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/config.py:1226: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1007: note: "working_dir" defined here
+ lib/spack/spack/util/web.py:420: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1007: note: "working_dir" defined here
+ lib/spack/spack/util/web.py:432: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/oci/opener.py:358: error: Argument 1 to "_try_bearer_challenge" of "OCIAuthHandler" has incompatible type "str | list[Challenge]"; expected "list[Challenge]"  [arg-type]
+ lib/spack/spack/oci/opener.py:360: error: Argument 1 to "_try_basic_challenge" of "OCIAuthHandler" has incompatible type "str | list[Challenge]"; expected "list[Challenge]"  [arg-type]
+ lib/spack/spack/repo.py:1705: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1007: note: "working_dir" defined here
+ lib/spack/spack/repo.py:1260: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/repo.py:1265: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/spec.py:2471: error: Item "tuple[Any | int, ...]" of "tuple[Any, int] | Any | dict[Any, list[DependencySpec]]" has no attribute "items"  [union-attr]
+ lib/spack/spack/spec.py:3479: error: Incompatible types in assignment (expression has type "SpecBuildInterface | Spec", variable has type "Spec")  [assignment]
+ lib/spack/spack/spec.py:3505: error: Incompatible types in assignment (expression has type "SpecBuildInterface | Spec", variable has type "Spec")  [assignment]
+ lib/spack/spack/spec.py:4258: error: Item "SpecBuildInterface" of "Spec | SpecBuildInterface" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/spec.py:4286: error: Incompatible types in assignment (expression has type "VariantValue", variable has type "Spec | SpecBuildInterface")  [assignment]
+ lib/spack/spack/spec.py:4293: error: Item "SpecBuildInterface" of "Spec | SpecBuildInterface" has no attribute "versions"  [union-attr]
+ lib/spack/spack/spec.py:4306: error: Item "SpecBuildInterface" of "Spec | SpecBuildInterface" has no attribute "original_spec_format"  [union-attr]
+ lib/spack/spack/spec.py:4333: error: Argument 1 has incompatible type "Spec | SpecBuildInterface"; expected "Spec"  [arg-type]
+ lib/spack/spack/spec.py:4347: error: Argument 1 has incompatible type "Spec | SpecBuildInterface"; expected "Spec"  [arg-type]
+ lib/spack/spack/spec.py:4354: error: Argument 1 has incompatible type "Spec | SpecBuildInterface"; expected "Spec"  [arg-type]
+ lib/spack/spack/spec.py:4507: error: Argument 1 to "append" of "list" has incompatible type "bool | str"; expected "str"  [arg-type]
+ lib/spack/spack/stage.py:84: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/database.py:1242: error: "Spec" has no attribute "_hash"; maybe "__hash__" or "dag_hash"?  [attr-defined]
+ lib/spack/spack/database.py:1243: error: "Spec" has no attribute "_package_hash"; maybe "package_hash"?  [attr-defined]
+ lib/spack/spack/compilers/libraries.py:396: error: Missing return statement  [return]
+ lib/spack/spack/package_base.py:726: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "package"  [union-attr]
+ lib/spack/spack/package_base.py:987: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/package_base.py:1397: error: Item "Spec" of "Any | Spec" has no attribute "depflag"  [union-attr]
+ lib/spack/spack/install_test.py:134: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:137: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:275: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:320: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:324: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:482: error: Unexpected keyword argument "create" for "working_dir"  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1007: note: "working_dir" defined here
+ lib/spack/spack/install_test.py:556: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:901: error: Incompatible types in assignment (expression has type "Spec", variable has type "None")  [assignment]
+ lib/spack/spack/install_test.py:902: error: Incompatible types in assignment (expression has type "Spec", variable has type "None")  [assignment]
+ lib/spack/spack/install_test.py:997: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/install_test.py:1059: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/environment/environment.py:2461: error: Unexpected keyword argument "encoding" for "write_tmp_and_move"  [call-arg]
+ lib/spack/spack/llnl/util/filesystem.py:1117: note: "write_tmp_and_move" defined here
+ lib/spack/spack/environment/environment.py:2759: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/installer.py:593: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/installer.py:665: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/installer.py:669: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/installer.py:696: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/installer.py:2694: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/solver/asp.py:3109: error: Incompatible types in assignment (expression has type "SpecBuildInterface | Spec", variable has type "Spec | None")  [assignment]
+ lib/spack/spack/bootstrap/core.py:493: error: No return value expected  [return-value]
+ lib/spack/spack/test/util/remote_file_cache.py:69: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/patch.py:307: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "variants"  [union-attr]
+ lib/spack/spack/test/patch.py:308: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "package"  [union-attr]
+ lib/spack/spack/test/config.py:1478: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/config.py:1489: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/concretization/requirements.py:1414: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/requirements.py:1415: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "prefix"  [union-attr]
+ lib/spack/spack/test/concretization/compiler_runtimes.py:73: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dependencies"  [union-attr]
+ lib/spack/spack/test/concretization/compiler_runtimes.py:74: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dependencies"  [union-attr]
+ lib/spack/spack/test/concretization/compiler_runtimes.py:75: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dependencies"  [union-attr]
+ lib/spack/spack/test/conftest.py:1179: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/conftest.py:1216: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/cmd/dev_build.py:438: error: Item "SpecBuildInterface" of "Spec | SpecBuildInterface" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/binary_distribution.py:493: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/binary_distribution.py:494: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/binary_distribution.py:495: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/reporters.py:16: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/reporters.py:27: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/reporters.py:28: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/ci/common.py:68: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/ci/common.py:99: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/database.py:218: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "set_prefix"  [union-attr]
+ lib/spack/spack/test/database.py:224: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/test/database.py:231: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "installed"  [union-attr]
+ lib/spack/spack/test/database.py:232: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "installed_upstream"  [union-attr]
+ lib/spack/spack/test/database.py:355: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/test/database.py:358: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:1462: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "constrain"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:2281: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:2290: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:2295: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:2637: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "dag_hash"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:2721: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:2730: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3621: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3621: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external_path"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3655: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3655: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external_path"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3789: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3789: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3846: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3847: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3848: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3960: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3968: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "external"  [union-attr]
+ lib/spack/spack/test/concretization/core.py:3968: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "satisfies"  [union-attr]
+ lib/spack/spack/test/oci/integration_test.py:345: error: Argument 1 to "_oci_default_tag" has incompatible type "SpecBuildInterface | Spec"; expected "Spec"  [arg-type]
+ lib/spack/spack/test/cmd/clean.py:95: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/cmd/clean.py:96: error: Too many arguments for <lambda>  [call-arg]
+ lib/spack/spack/test/cmd/buildcache.py:524: error: Item "SpecBuildInterface" of "SpecBuildInterface | Spec" has no attribute "package"  [union-attr]

... (truncated 10 lines) ...

spark (https://github.com/apache/spark)
+ python/pyspark/worker.py:336: error: All conditional function variants must have identical signatures  [misc]
+ python/pyspark/worker.py:336: note: Original:
+ python/pyspark/worker.py:336: note:     def get_args(*args: list[Any]) -> list[Any]
+ python/pyspark/worker.py:336: note: Redefinition:
+ python/pyspark/worker.py:336: note:     def get_args(*args: list[Any]) -> zip[tuple[Any, ...]]
+ python/pyspark/worker.py:410: error: All conditional function variants must have identical signatures  [misc]
+ python/pyspark/worker.py:410: note: Original:
+ python/pyspark/worker.py:410: note:     def get_args(*args: Series[Any]) -> list[Any]
+ python/pyspark/worker.py:410: note: Redefinition:
+ python/pyspark/worker.py:410: note:     def get_args(*args: Series[Any]) -> zip[tuple[Any, ...]]

prefect (https://github.com/PrefectHQ/prefect)
+ src/prefect/flows.py:2110: error: Overloaded function implementation cannot produce return type of signature 1  [misc]
+ src/prefect/flows.py:2110: error: Overloaded function implementation cannot produce return type of signature 2  [misc]
+ src/prefect/flows.py:2110: error: Overloaded function implementation cannot produce return type of signature 3  [misc]
+ src/prefect/flows.py:2110: error: Overloaded function implementation cannot produce return type of signature 4  [misc]

ppb-vector (https://github.com/ppb/ppb-vector)
+ tests/test_dot.py:83: error: No overload variant of "__rmul__" of "Vector" matches argument type "dict[str, float]"  [operator]
+ tests/test_dot.py:83: note: Possible overload variants:
+ tests/test_dot.py:83: note:     def __rmul__(self, Vector | tuple[SupportsFloat, SupportsFloat] | Sequence[SupportsFloat] | VectorLikeDict, /) -> float
+ tests/test_dot.py:83: note:     def __rmul__(self, SupportsFloat, /) -> Vector
+ tests/test_dot.py:83: note: Left operand is of type "tuple[float, float] | list[float] | dict[str, float]"
+ tests/test_ctor.py:12: error: Argument 1 to "Vector" has incompatible type "tuple[float, float] | list[float] | dict[str, float]"; expected "Vector | tuple[SupportsFloat, SupportsFloat] | Sequence[SupportsFloat] | VectorLikeDict"  [arg-type]
+ tests/test_addition.py:30: error: Unsupported operand types for + ("dict[str, float]" and "Vector")  [operator]
+ tests/test_addition.py:30: note: Left operand is of type "tuple[float, float] | list[float] | dict[str, float]"

graphql-core (https://github.com/graphql-python/graphql-core)
+ tests/language/test_schema_parser.py:286: error: Value of type "DefinitionNode | tuple[DefinitionNode, ...]" is not indexable  [index]
+ tests/language/test_schema_parser.py:293: error: Value of type "DefinitionNode | tuple[DefinitionNode, ...]" is not indexable  [index]
+ tests/language/test_schema_parser.py:315: error: Value of type "DefinitionNode | tuple[DefinitionNode, ...]" is not indexable  [index]
+ tests/language/test_schema_parser.py:322: error: Value of type "DefinitionNode | tuple[DefinitionNode, ...]" is not indexable  [index]
+ tests/language/test_schema_parser.py:399: error: Argument 1 to "schema_extension_node" has incompatible type "tuple[DirectiveNode]"; expected "tuple[ConstDirectiveNode, ...]"  [arg-type]
+ tests/execution/test_subscribe.py:465: error: Item "Awaitable[AsyncIterator[ExecutionResult] | ExecutionResult]" of "Awaitable[AsyncIterator[ExecutionResult] | ExecutionResult] | AsyncIterator[ExecutionResult] | ExecutionResult | Awaitable[AsyncIterable[Any] | ExecutionResult] | AsyncIterable[Any]" has no attribute "errors"  [union-attr]
+ tests/execution/test_subscribe.py:465: error: Item "AsyncIterator[ExecutionResult]" of "Awaitable[AsyncIterator[ExecutionResult] | ExecutionResult] | AsyncIterator[ExecutionResult] | ExecutionResult | Awaitable[AsyncIterable[Any] | ExecutionResult] | AsyncIterable[Any]" has no attribute "errors"  [union-attr]
+ tests/execution/test_subscribe.py:465: error: Item "Awaitable[AsyncIterable[Any] | ExecutionResult]" of "Awaitable[AsyncIterator[ExecutionResult] | ExecutionResult] | AsyncIterator[ExecutionResult] | ExecutionResult | Awaitable[AsyncIterable[Any] | ExecutionResult] | AsyncIterable[Any]" has no attribute "errors"  [union-attr]
+ tests/execution/test_subscribe.py:465: error: Item "AsyncIterable[Any]" of "Awaitable[AsyncIterator[ExecutionResult] | ExecutionResult] | AsyncIterator[ExecutionResult] | ExecutionResult | Awaitable[AsyncIterable[Any] | ExecutionResult] | AsyncIterable[Any]" has no attribute "errors"  [union-attr]
+ tests/execution/test_subscribe.py:465: error: Value of type "Any | list[GraphQLError] | None" is not indexable  [index]

speedrun.com_global_scoreboard_webapp (https://github.com/Avasam/speedrun.com_global_scoreboard_webapp)
+ backend/services/user_updater.py:207: error: "float" object is not iterable  [misc]

altair (https://github.com/vega/altair)
+ altair/vegalite/v6/api.py:2132: error: Incompatible types in assignment (expression has type "MutableMapping[Any, Any]", variable has type "dict[str, Any]")  [assignment]
+ altair/vegalite/v6/api.py:3974: error: Incompatible types in assignment (expression has type "<subclass of "altair.vegalite.v6.api.TopLevelMixin" and "altair.utils.schemapi.SchemaBase">", variable has type "_EncodingMixin")  [assignment]
+ altair/vegalite/v6/api.py:3985: error: Incompatible types in assignment (expression has type "<subclass of "altair.vegalite.v6.api.TopLevelMixin" and "altair.utils.schemapi.SchemaBase">", variable has type "_EncodingMixin")  [assignment]
+ tools/update_init_file.py:78: error: Argument 1 to "relevant_attributes" has incompatible type "ThemeRegistry"; expected "dict[str, Any]"  [arg-type]

strawberry (https://github.com/strawberry-graphql/strawberry)
+ strawberry/types/object_type.py:340: error: Overloaded function implementation cannot produce return type of signature 2  [misc]
+ strawberry/types/object_type.py:417: error: Overloaded function implementation cannot produce return type of signature 2  [misc]
+ strawberry/federation/object_type.py:144: error: Overloaded function implementation cannot satisfy signature 2 due to inconsistencies in how they use type variables  [misc]
+ strawberry/federation/object_type.py:210: error: Overloaded function implementation cannot satisfy signature 2 due to inconsistencies in how they use type variables  [misc]
+ strawberry/federation/object_type.py:273: error: Overloaded function implementation cannot satisfy signature 2 due to inconsistencies in how they use type variables  [misc]
+ strawberry/federation/object_type.py:342: error: Overloaded function implementation cannot satisfy signature 2 due to inconsistencies in how they use type variables  [misc]

operator (https://github.com/canonical/operator)
+ ops/_private/harness.py:2820: error: Incompatible types in assignment (expression has type "_SecretRevision | None", variable has type "_SecretRevision")  [assignment]

sockeye (https://github.com/awslabs/sockeye)
+ sockeye/vocab.py:39: error: Argument 1 to "count_tokens" has incompatible type "GzipFile | TextIOWrapper[_WrappedBuffer] | IO[Any]"; expected "Iterable[str]"  [arg-type]
+ sockeye/rerank.py:165: error: Argument "file" to "print" has incompatible type "TextIO | Any | GzipFile | IO[Any]"; expected "SupportsWrite[str] | None"  [arg-type]
+ sockeye/rerank.py:167: error: Argument "file" to "print" has incompatible type "TextIO | Any | GzipFile | IO[Any]"; expected "SupportsWrite[str] | None"  [arg-type]
+ sockeye/data_io.py:387: error: Argument 1 to "parallel_iter" has incompatible type "list[object]"; expected "Sequence[Iterable[Any | None]]"  [arg-type]
+ sockeye/data_io.py:387: error: Argument 2 to "parallel_iter" has incompatible type "list[object]"; expected "Sequence[Iterable[Any | None]]"  [arg-type]
+ sockeye/data_io.py:391: error: "object" has no attribute "write"  [attr-defined]
+ sockeye/data_io.py:394: error: "object" has no attribute "write"  [attr-defined]
+ sockeye/lexicon.py:55: error: Argument 1 to "rstrip" of "bytes" has incompatible type "str"; expected "Buffer | None"  [arg-type]
+ sockeye/lexicon.py:55: error: Argument 1 to "split" of "bytes" has incompatible type "str"; expected "Buffer | None"  [arg-type]
+ sockeye/lexicon.py:57: error: Argument 1 to "get" of "dict" has incompatible type "bytes | str | Any"; expected "str"  [arg-type]
+ sockeye/lexicon.py:58: error: Argument 1 to "get" of "dict" has incompatible type "bytes | str | Any"; expected "str"  [arg-type]
+ sockeye/convert_deepspeed.py:50: error: Argument 2 to "join" has incompatible type "bytes | str | Any"; expected "str"  [arg-type]
+ sockeye/checkpoint_decoder.py:94: error: "object" has no attribute "readlines"  [attr-defined]
+ sockeye/checkpoint_decoder.py:95: error: "object" has no attribute "readlines"  [attr-defined]
- sockeye/translate.py:190: error: Incompatible types in assignment (expression has type "tuple[Any, ...]", variable has type "list[str]")  [assignment]
+ sockeye/checkpoint_decoder.py:176: error: No overload variant of "print" matches argument types "str", "object"  [call-overload]
+ sockeye/checkpoint_decoder.py:176: note: Possible overload variants:
+ sockeye/checkpoint_decoder.py:176: note:     def print(*values: object, sep: str | None = ..., end: str | None = ..., file: SupportsWrite[str] | None = ..., flush: Literal[False] = ...) -> None
+ sockeye/checkpoint_decoder.py:176: note:     def print(*values: object, sep: str | None = ..., end: str | None = ..., file: _SupportsWriteAndFlush[str] | None = ..., flush: bool) -> None
+ sockeye/checkpoint_decoder.py:237: error: Argument "file" to "print" has incompatible type "GzipFile | TextIOWrapper[_WrappedBuffer] | IO[Any]"; expected "SupportsWrite[str] | None"  [arg-type]

core (https://github.com/home-assistant/core)
+ homeassistant/components/freebox/sensor.py:245: error: Incompatible return value type (got "Any | None", expected "int")  [return-value]
+ homeassistant/components/lutron_caseta/logbook.py:49: error: Value of type "LutronKeypad | None" is not indexable  [index]

pytest (https://github.com/pytest-dev/pytest)
+ src/_pytest/capture.py:989: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager")  [assignment]
+ src/_pytest/capture.py:1018: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager")  [assignment]
+ src/_pytest/capture.py:1051: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager")  [assignment]
+ src/_pytest/capture.py:1081: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager")  [assignment]
+ src/_pytest/capture.py:1109: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager")  [assignment]
+ src/_pytest/capture.py:1138: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager")  [assignment]
+ src/_pytest/doctest.py:311: error: "object" has no attribute "suspend_global_capture"  [attr-defined]
+ src/_pytest/doctest.py:312: error: "object" has no attribute "read_global_capture"  [attr-defined]
+ src/_pytest/debugging.py:247: error: Incompatible types in assignment (expression has type "object", variable has type "CaptureManager | None")  [assignment]
+ src/_pytest/debugging.py:292: error: "object" has no attribute "suspend_global_capture"  [attr-defined]
+ src/_pytest/debugging.py:293: error: "object" has no attribute "read_global_capture"  [attr-defined]
+ src/_pytest/debugging.py:343: error: "object" has no attribute "_tw"  [attr-defined]
+ src/_pytest/subtests.py:320: error: Incompatible types in assignment (expression has type "object", variable has type "LoggingPlugin | None")  [assignment]
- testing/test_collection.py:87: error: Item "None" of Module | None has no attribute "module"  [union-attr]
+ testing/test_runner.py:509: error: Argument 1 to "collect_one_node" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/test_debugging.py:33: error: "RunResult" has no attribute "reprec"  [attr-defined]
+ testing/test_config.py:1518: error: "object" has no attribute "x"  [attr-defined]
+ testing/test_collection.py:49: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/test_collection.py:51: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/test_collection.py:58: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/test_collection.py:71: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/test_collection.py:81: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/test_assertion.py:409: error: Argument 1 to "pytest_assertrepr_compare" has incompatible type "test_assertion.Config@27"; expected "_pytest.config.Config"  [arg-type]
- testing/test_collection.py:88: error: Item "None" of Module | None has no attribute "cls"  [union-attr]
+ testing/acceptance_test.py:1464: error: Item "None" of "IO[Any] | None" has no attribute "close"  [union-attr]
- testing/test_collection.py:89: error: Item "None" of Module | None has no attribute "instance"  [union-attr]
+ testing/acceptance_test.py:1466: error: Item "None" of "IO[Any] | None" has no attribute "read"  [union-attr]
+ testing/acceptance_test.py:1470: error: Item "None" of "IO[Any] | None" has no attribute "close"  [union-attr]
+ testing/python/collect.py:23: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:75: error: Item "Item" of "Collector | Item" has no attribute "CollectError"  [union-attr]
+ testing/python/collect.py:75: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:76: error: Item "Item" of "Collector | Item" has no attribute "CollectError"  [union-attr]
+ testing/python/collect.py:76: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:80: error: Item "Collector" of "Collector | Item" has no attribute "obj"  [union-attr]
+ testing/python/collect.py:80: error: Item "Item" of "Collector | Item" has no attribute "obj"  [union-attr]
+ testing/python/collect.py:237: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:238: error: Argument 1 to "len" has incompatible type "Iterable[Item | Collector] | Any"; expected "Sized"  [arg-type]
+ testing/python/collect.py:669: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:670: error: Value of type "Iterable[Item | Collector] | Any" is not indexable  [index]
+ testing/python/collect.py:671: error: Value of type "Iterable[Item | Collector] | Any" is not indexable  [index]
+ testing/python/collect.py:672: error: Value of type "Iterable[Item | Collector] | Any" is not indexable  [index]
+ testing/python/collect.py:673: error: Value of type "Iterable[Item | Collector] | Any" is not indexable  [index]
+ testing/python/collect.py:688: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:688: error: Value of type "Iterable[Item | Collector] | Any" is not indexable  [index]
+ testing/python/collect.py:831: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/python/collect.py:833: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/python/collect.py:840: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/python/collect.py:870: error: Item "Item" of "Collector | Item" has no attribute "collect"  [union-attr]
+ testing/python/collect.py:871: error: Argument 1 to "len" has incompatible type "Iterable[Item | Collector] | Any"; expected "Sized"  [arg-type]
+ testing/python/collect.py:1106: error: No overload variant of "perform_collect" of "Session" matches argument types "list[str]", "int"  [call-overload]
+ testing/python/collect.py:1106: note: Possible overload variants:
+ testing/python/collect.py:1106: note:     def perform_collect(self, args: Sequence[str] | None = ..., genitems: Literal[True] = ...) -> Sequence[Item]
+ testing/python/collect.py:1106: note:     def perform_collect(self, args: Sequence[str] | None = ..., genitems: bool = ...) -> Sequence[Item | Collector]
+ testing/python/collect.py:1281: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ testing/python/collect.py:1310: error: Argument 1 to "collect_by_name" of "Pytester" has incompatible type "Collector | Item"; expected "Collector"  [arg-type]
+ src/_pytest/setuponly.py:69: error: "object" has no attribute "suspend_global_capture"  [attr-defined]
+ src/_pytest/setuponly.py:91: error: "object" has no attribute "resume_global_capture"  [attr-defined]
+ src/_pytest/pastebin.py:44: error: "object" has no attribute "_tw"  [attr-defined]
+ src/_pytest/pastebin.py:52: error: "object" has no attribute "_tw"  [attr-defined]
+ src/_pytest/pastebin.py:65: error: "object" has no attribute "_tw"  [attr-defined]
+ src/_pytest/pastebin.py:67: error: "object" has no attribute "write_sep"  [attr-defined]
+ src/_pytest/pastebin.py:69: error: "object" has no attribute "write_line"  [attr-defined]

mitmproxy (https://github.com/mitmproxy/mitmproxy)
+ mitmproxy/coretypes/multidict.py:117: error: Signature of "keys" incompatible with supertype "typing.Mapping"  [override]
+ mitmproxy/coretypes/multidict.py:117: note:      Superclass:
+ mitmproxy/coretypes/multidict.py:117: note:          def keys(self) -> KeysView[KT]
+ mitmproxy/coretypes/multidict.py:117: note:      Subclass:
+ mitmproxy/coretypes/multidict.py:117: note:          def keys(self, multi: bool = ...) -> Generator[Any, None, None]
+ mitmproxy/coretypes/multidict.py:126: error: Signature of "values" incompatible with supertype "typing.Mapping"  [override]
+ mitmproxy/coretypes/multidict.py:126: note:      Superclass:
+ mitmproxy/coretypes/multidict.py:126: note:          def values(self) -> ValuesView[VT]
+ mitmproxy/coretypes/multidict.py:126: note:      Subclass:
+ mitmproxy/coretypes/multidict.py:126: note:          def values(self, multi: bool = ...) -> Generator[Any, None, None]
+ mitmproxy/coretypes/multidict.py:135: error: Signature of "items" incompatible with supertype "typing.Mapping"  [override]
+ mitmproxy/coretypes/multidict.py:135: note:      Superclass:
+ mitmproxy/coretypes/multidict.py:135: note:          def items(self) -> ItemsView[KT, VT]
+ mitmproxy/coretypes/multidict.py:135: note:      Subclass:
+ mitmproxy/coretypes/multidict.py:135: note:          def items(self, multi: bool = ...) -> tuple[tuple[KT, VT], ...] | ItemsView[KT, VT]
+ mitmproxy/tools/console/common.py:538: error: Argument 1 to "append" of "list" has incompatible type "tuple[str, float, TruncatedText]"; expected "tuple[str, int, Any]"  [arg-type]
+ mitmproxy/tools/console/common.py:545: error: Argument 1 to "append" of "list" has incompatible type "tuple[str, float, TruncatedText]"; expected "tuple[str, int, Any]"  [arg-type]
+ mitmproxy/tools/console/common.py:585: error: Argument 1 to "append" of "list" has incompatible type "tuple[str, float, Any]"; expected "tuple[str, int, Any]"  [arg-type]
+ mitmproxy/tools/console/common.py:645: error: Argument 1 to "append" of "list" has incompatible type "tuple[str, float, Any]"; expected "tuple[str, int, Any]"  [arg-type]
+ mitmproxy/tools/console/common.py:647: error: Argument 1 to "append" of "list" has incompatible type "tuple[str, float, Any]"; expected "tuple[str, int, Any]"  [arg-type]
+ mitmproxy/tools/console/common.py:700: error: Argument 1 to "append" of "list" has incompatible type "tuple[str, float, TruncatedText]"; expected "tuple[str, int, Any]"  [arg-type]
+ mitmproxy/addons/stickycookie.py:66: error: Argument 1 to "ckey" has incompatible type "MultiDict[str, str | None]"; expected "dict[str, str]"  [arg-type]

sympy (https://github.com/sympy/sympy)
+ sympy/parsing/sympy_parser.py:867: error: Argument 1 to "_transform_equals_sign" has incompatible type "list[tuple[int, str] | AppliedFunction]"; expected "list[tuple[int, str]]"  [arg-type]
+ sympy/parsing/sympy_parser.py:868: error: Argument 1 to "_flatten" has incompatible type "list[tuple[int, str]]"; expected "list[tuple[int, str] | AppliedFunction]"  [arg-type]
+ sympy/parsing/sympy_parser.py:868: note: "list" is invariant -- see https://mypy.readthedocs.io/en/stable/common_issues.html#variance
+ sympy/parsing/sympy_parser.py:868: note: Consider using "Sequence" instead, which is covariant
- sympy/integrals/manualintegrate.py:2026: error: Unused "type: ignore" comment  [unused-ignore]
+ sympy/integrals/manualintegrate.py:2080: error: Argument 4 to "RewriteRule" has incompatible type "Rule | None"; expected "Rule"  [arg-type]
+ sympy/integrals/manualintegrate.py:2082: error: Incompatible types in assignment (expression has type "Rule | None", variable has type "RewriteRule")  [assignment]
+ sympy/polys/benchmarks/bench_groebnertools.py:16: error: Unsupported operand types for ** ("PolyRing[Any]" and "int")  [operator]
+ sympy/polys/benchmarks/bench_groebnertools.py:16: note: Left operand is of type "PolyRing[Any] | Any"
+ sympy/polys/benchmarks/bench_groebnertools.py:16: error: Unsupported left operand type for * ("PolyRing[Any]")  [operator]
+ sympy/polys/benchmarks/bench_groebnertools.py:16: note: Both left and right operands are unions
+ sympy/polys/benchmarks/bench_groebnertools.py:19: error: Unsupported operand types for ** ("PolyRing[Any]" and "int")  [operator]
+ sympy/polys/benchmarks/bench_groebnertools.py:19: note: Left operand is of type "PolyRing[Any] | Any"
+ sympy/polys/benchmarks/bench_groebnertools.py:19: error: Unsupported left operand type for * ("PolyRing[Any]")  [operator]
+ sympy/polys/benchmarks/bench_groebnertools.py:19: note: Both left and right operands are unions

hydra-zen (https://github.com/mit-ll-responsible-ai/hydra-zen)
- src/hydra_zen/wrapper/_implementations.py:516: error: Incompatible types in assignment (expression has type "Zen[P, R]", variable has type "_Wrapped[P, R, [Any], Any]")  [assignment]
+ src/hydra_zen/wrapper/_implementations.py:516: error: Incompatible types in assignment (expression has type "Zen[P, R]", variable has type "_Wrapped[P, R, [Any], R]")  [assignment]
- tests/annotations/declarations.py:895: error: Argument 1 to "__call__" of "PBuilds" has incompatible type "Callable[[int], Any]"; expected "def (*Never, **Never) -> Never"  [arg-type]
+ tests/annotations/declarations.py:895: error: Argument 1 to "__call__" of "PBuilds" has incompatible type "Callable[[int], int]"; expected "def (*Never, **Never) -> Never"  [arg-type]

setuptools (https://github.com/pypa/setuptools)
+ setuptools/config/pyprojecttoml.py:313: error: Argument 1 to "version" has incompatible type "Any | None"; expected "Callable[..., Any] | Iterable[str | int] | str"  [arg-type]
+ setuptools/dist.py:754: error: "bool" object is not iterable  [misc]

pandas (https://github.com/pandas-dev/pandas)
+ pandas/_config/config.py:756: error: Item "None" of "RegisteredOption | None" has no attribute "doc"  [union-attr]
+ pandas/_config/config.py:757: error: Item "None" of "RegisteredOption | None" has no attribute "doc"  [union-attr]
+ pandas/core/accessor.py:141: error: Incompatible types in assignment (expression has type "_Wrapped[[VarArg(Any), KwArg(Any)], Any, [Any, VarArg(Any), KwArg(Any)], Any]", variable has type "property")  [assignment]
+ pandas/core/nanops.py:439: error: Incompatible return value type (got "object | Any", expected "str | bytes | date | datetime | timedelta | <7 more items> | Interval[Any] | complex | integer[Any] | floating[Any] | complexfloating[Any, Any] | ndarray[tuple[Any, ...], dtype[Any]]")  [return-value]
+ pandas/core/nanops.py:441: error: Incompatible return value type (got "object | Any", expected "str | bytes | date | datetime | timedelta | <7 more items> | Interval[Any] | complex | integer[Any] | floating[Any] | complexfloating[Any, Any] | ndarray[tuple[Any, ...], dtype[Any]]")  [return-value]
+ pandas/core/arrays/period.py:964: error: Signature of "astype" incompatible with supertype "pandas.core.arrays.base.ExtensionArray"  [override]
+ pandas/core/arrays/period.py:964: note:      Superclass:
+ pandas/core/arrays/period.py:964: note:          @overload
+ pandas/core/arrays/period.py:964: note:          def astype(self, dtype: type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/period.py:964: note:          @overload
+ pandas/core/arrays/period.py:964: note:          def astype(self, dtype: ExtensionDtype, copy: bool = ...) -> ExtensionArray
+ pandas/core/arrays/period.py:964: note:          @overload
+ pandas/core/arrays/period.py:964: note:          def astype(self, dtype: ExtensionDtype | type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/period.py:964: note:      Subclass:
+ pandas/core/arrays/period.py:964: note:          def astype(self, dtype: Any, copy: bool = ...) -> PeriodArray | DatetimeArray | Any
+ pandas/core/dtypes/cast.py:498: error: Incompatible types in assignment (expression has type "dtype[datetime64[date | int | None]] | DatetimeTZDtype", variable has type "dtype[Any]")  [assignment]
+ pandas/core/algorithms.py:819: error: Argument 2 to "where" has incompatible type "object | Any"; expected "None"  [arg-type]
+ pandas/core/arrays/timedeltas.py:356: error: Signature of "astype" incompatible with supertype "pandas.core.arrays.base.ExtensionArray"  [override]
+ pandas/core/arrays/timedeltas.py:356: note:      Superclass:
+ pandas/core/arrays/timedeltas.py:356: note:          @overload
+ pandas/core/arrays/timedeltas.py:356: note:          def astype(self, dtype: type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/timedeltas.py:356: note:          @overload
+ pandas/core/arrays/timedeltas.py:356: note:          def astype(self, dtype: ExtensionDtype, copy: bool = ...) -> ExtensionArray
+ pandas/core/arrays/timedeltas.py:356: note:          @overload
+ pandas/core/arrays/timedeltas.py:356: note:          def astype(self, dtype: ExtensionDtype | type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/timedeltas.py:356: note:      Subclass:
+ pandas/core/arrays/timedeltas.py:356: note:          def astype(self, dtype: Any, copy: bool = ...) -> TimedeltaArray | Any
+ pandas/core/arrays/timedeltas.py:485: error: Signature of "__mul__" incompatible with supertype "pandas.core.arrays.datetimelike.DatetimeLikeArrayMixin"  [override]
+ pandas/core/arrays/timedeltas.py:485: note:      Superclass:
+ pandas/core/arrays/timedeltas.py:485: note:          def (*Any, **Any) -> Never
+ pandas/core/arrays/timedeltas.py:485: note:      Subclass:
+ pandas/core/arrays/timedeltas.py:485: note:          def __mul__(self, Any, /) -> TimedeltaArray
+ pandas/core/arrays/base.py:1000: error: Incompatible return value type (got "ndarray[tuple[Any, ...], dtype[Any]] | Any | int", expected "int")  [return-value]
+ pandas/core/arrays/base.py:1034: error: Incompatible return value type (got "ndarray[tuple[Any, ...], dtype[Any]] | Any | int", expected "int")  [return-value]
+ pandas/core/arrays/masked.py:1122: error: Return type "IntegerArray | FloatingArray" of "_rank" incompatible with return type "ndarray[tuple[Any, ...], dtype[float64]]" in supertype "pandas.core.arrays.base.ExtensionArray"  [override]
+ pandas/core/arrays/masked.py:1521: error: Incompatible return value type (got "tuple[Any, Any] | FloatingArray | BooleanArray | TimedeltaArray | IntegerArray | ndarray[tuple[Any, ...], dtype[Any]]", expected "BaseMaskedArray")  [return-value]
+ pandas/core/arrays/datetimes.py:699: error: Signature of "astype" incompatible with supertype "pandas.core.arrays.base.ExtensionArray"  [override]
+ pandas/core/arrays/datetimes.py:699: note:      Superclass:
+ pandas/core/arrays/datetimes.py:699: note:          @overload
+ pandas/core/arrays/datetimes.py:699: note:          def astype(self, dtype: type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/datetimes.py:699: note:          @overload
+ pandas/core/arrays/datetimes.py:699: note:          def astype(self, dtype: ExtensionDtype, copy: bool = ...) -> ExtensionArray
+ pandas/core/arrays/datetimes.py:699: note:          @overload
+ pandas/core/arrays/datetimes.py:699: note:          def astype(self, dtype: ExtensionDtype | type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/datetimes.py:699: note:      Subclass:
+ pandas/core/arrays/datetimes.py:699: note:          def astype(self, dtype: Any, copy: bool = ...) -> DatetimeArray | Any | PeriodArray
+ pandas/core/arrays/datetimes.py:2401: error: Incompatible return value type (got "Timedelta | NaTType | TimedeltaArray", expected "Timedelta")  [return-value]
+ pandas/core/arrays/_mixins.py:330: error: Argument "mask" has incompatible type "ndarray[tuple[Any, ...], dtype[Any]] | ExtensionArraySupportsAnyAll"; expected "ndarray[tuple[Any, ...], dtype[numpy.bool[builtins.bool]]] | None"  [arg-type]
+ pandas/core/arrays/numpy_.py:272: error: Signature of "astype" incompatible with supertype "pandas.core.arrays.base.ExtensionArray"  [override]
+ pandas/core/arrays/numpy_.py:272: note:      Superclass:
+ pandas/core/arrays/numpy_.py:272: note:          @overload
+ pandas/core/arrays/numpy_.py:272: note:          def astype(self, dtype: type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/numpy_.py:272: note:          @overload
+ pandas/core/arrays/numpy_.py:272: note:          def astype(self, dtype: ExtensionDtype, copy: bool = ...) -> ExtensionArray
+ pandas/core/arrays/numpy_.py:272: note:          @overload
+ pandas/core/arrays/numpy_.py:272: note:          def astype(self, dtype: ExtensionDtype | type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/numpy_.py:272: note:      Subclass:
+ pandas/core/arrays/numpy_.py:272: note:          def astype(self, dtype: Any, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/string_.py:913: error: Signature of "astype" incompatible with supertype "pandas.core.arrays.base.ExtensionArray"  [override]
+ pandas/core/arrays/string_.py:913: note:      Superclass:
+ pandas/core/arrays/string_.py:913: note:          @overload
+ pandas/core/arrays/string_.py:913: note:          def astype(self, dtype: type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/string_.py:913: note:          @overload
+ pandas/core/arrays/string_.py:913: note:          def astype(self, dtype: ExtensionDtype, copy: bool = ...) -> ExtensionArray
+ pandas/core/arrays/string_.py:913: note:          @overload
+ pandas/core/arrays/string_.py:913: note:          def astype(self, dtype: ExtensionDtype | type[Any] | dtype[Any] | _HasDType[dtype[Any]] | _HasNumPyDType[dtype[Any]] | tuple[Any, Any] | list[Any] | _DTypeDict | str, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/string_.py:913: note:      Subclass:
+ pandas/core/arrays/string_.py:913: note:          def astype(self, dtype: Any, copy: bool = ...) -> ExtensionArray | ndarray[tuple[Any, ...], dtype[Any]]
+ pandas/core/arrays/string_.py:1232: error: Incompatible return value type (got "Any | IntegerArray | BooleanArray", expected "Self")  [return-value]

... (truncated 446 lines) ...```

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3 participants

@madelyngamble2 @A5rocks @hauntsaninja