diff --git a/Pipfile.lock b/Pipfile.lock
index 5b559334..0c4bd2c9 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -371,44 +371,8 @@
             "version": "==2.1.9"
         },
         "coverage": {
-            "hashes": [
-                "sha256:0203acd33d2298e19b57451ebb0bed0ab0c602e5cf5a818591b4918b1f97d516",
-                "sha256:0f313707cdecd5cd3e217fc68c78a960b616604b559e9ea60cc16795c4304259",
-                "sha256:1c6703094c81fa55b816f5ae542c6ffc625fec769f22b053adb42ad712d086c9",
-                "sha256:1d44bb3a652fed01f1f2c10d5477956116e9b391320c94d36c6bf13b088a1097",
-                "sha256:280baa8ec489c4f542f8940f9c4c2181f0306a8ee1a54eceba071a449fb870a0",
-                "sha256:29a6272fec10623fcbe158fdf9abc7a5fa032048ac1d8631f14b50fbfc10d17f",
-                "sha256:2b31f46bf7b31e6aa690d4c7a3d51bb262438c6dcb0d528adde446531d0d3bb7",
-                "sha256:2d43af2be93ffbad25dd959899b5b809618a496926146ce98ee0b23683f8c51c",
-                "sha256:381ead10b9b9af5f64646cd27107fb27b614ee7040bb1226f9c07ba96625cbb5",
-                "sha256:47a11bdbd8ada9b7ee628596f9d97fbd3851bd9999d398e9436bd67376dbece7",
-                "sha256:4d6a42744139a7fa5b46a264874a781e8694bb32f1d76d8137b68138686f1729",
-                "sha256:50691e744714856f03a86df3e2bff847c2acede4c191f9a1da38f088df342978",
-                "sha256:530cc8aaf11cc2ac7430f3614b04645662ef20c348dce4167c22d99bec3480e9",
-                "sha256:582ddfbe712025448206a5bc45855d16c2e491c2dd102ee9a2841418ac1c629f",
-                "sha256:63808c30b41f3bbf65e29f7280bf793c79f54fb807057de7e5238ffc7cc4d7b9",
-                "sha256:71b69bd716698fa62cd97137d6f2fdf49f534decb23a2c6fc80813e8b7be6822",
-                "sha256:7858847f2d84bf6e64c7f66498e851c54de8ea06a6f96a32a1d192d846734418",
-                "sha256:78e93cc3571fd928a39c0b26767c986188a4118edc67bc0695bc7a284da22e82",
-                "sha256:7f43286f13d91a34fadf61ae252a51a130223c52bfefb50310d5b2deb062cf0f",
-                "sha256:86e9f8cd4b0cdd57b4ae71a9c186717daa4c5a99f3238a8723f416256e0b064d",
-                "sha256:8f264ba2701b8c9f815b272ad568d555ef98dfe1576802ab3149c3629a9f2221",
-                "sha256:9342dd70a1e151684727c9c91ea003b2fb33523bf19385d4554f7897ca0141d4",
-                "sha256:9361de40701666b034c59ad9e317bae95c973b9ff92513dd0eced11c6adf2e21",
-                "sha256:9669179786254a2e7e57f0ecf224e978471491d660aaca833f845b72a2df3709",
-                "sha256:aac1ba0a253e17889550ddb1b60a2063f7474155465577caa2a3b131224cfd54",
-                "sha256:aef72eae10b5e3116bac6957de1df4d75909fc76d1499a53fb6387434b6bcd8d",
-                "sha256:bd3166bb3b111e76a4f8e2980fa1addf2920a4ca9b2b8ca36a3bc3dedc618270",
-                "sha256:c1b78fb9700fc961f53386ad2fd86d87091e06ede5d118b8a50dea285a071c24",
-                "sha256:c3888a051226e676e383de03bf49eb633cd39fc829516e5334e69b8d81aae751",
-                "sha256:c5f17ad25d2c1286436761b462e22b5020d83316f8e8fcb5deb2b3151f8f1d3a",
-                "sha256:c851b35fc078389bc16b915a0a7c1d5923e12e2c5aeec58c52f4aa8085ac8237",
-                "sha256:cb7df71de0af56000115eafd000b867d1261f786b5eebd88a0ca6360cccfaca7",
-                "sha256:cedb2f9e1f990918ea061f28a0f0077a07702e3819602d3507e2ff98c8d20636",
-                "sha256:e8caf961e1b1a945db76f1b5fa9c91498d15f545ac0ababbe575cfab185d3bd8"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==5.3"
+            "hashes": [],
+            "version": "==6.4.3"
         },
         "django": {
             "hashes": [