fix: Use Keras native format (.keras) for model serialization - #3622
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hamztouiz wants to merge 1 commit into
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fix: Use Keras native format (.keras) for model serialization#3622hamztouiz wants to merge 1 commit into
hamztouiz wants to merge 1 commit into
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The previous TensorFlow SavedModel format was failing in certain environments. This change switches to the Keras native format (.keras) which is more stable and is the recommended approach for saving Keras models. Changes: - Use model.save() with .keras extension instead of SavedModel format - Create output directory if it doesn't exist - Update log message to reflect new file path This fixes issues with model serialization in the hello_world example.
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ddavis-2015
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Aug 26, 2026
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looks good to me. On to @veblush
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BUG=3623
Summary
Fixes model serialization issues in the hello_world example by switching from TensorFlow SavedModel format to the Keras native format (.keras).
Problem
The training script fails with Keras 3 due to the
save_formatargument being deprecated:ValueError: The save_format argument is deprecated in Keras 3.
Please remove this argument and pass a file path with either .keras or .h5 extension.
Received: save_format=tf
Solution
.kerasformat (Keras native)Type of change
Testing
The change was tested with the hello_world training script and model serialization now works correctly with Keras 3.