diff --git a/Pipfile.lock b/Pipfile.lock
index 5b559334..b4c8642c 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -372,43 +372,49 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:0203acd33d2298e19b57451ebb0bed0ab0c602e5cf5a818591b4918b1f97d516",
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-                "sha256:29a6272fec10623fcbe158fdf9abc7a5fa032048ac1d8631f14b50fbfc10d17f",
-                "sha256:2b31f46bf7b31e6aa690d4c7a3d51bb262438c6dcb0d528adde446531d0d3bb7",
-                "sha256:2d43af2be93ffbad25dd959899b5b809618a496926146ce98ee0b23683f8c51c",
-                "sha256:381ead10b9b9af5f64646cd27107fb27b614ee7040bb1226f9c07ba96625cbb5",
-                "sha256:47a11bdbd8ada9b7ee628596f9d97fbd3851bd9999d398e9436bd67376dbece7",
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-                "sha256:530cc8aaf11cc2ac7430f3614b04645662ef20c348dce4167c22d99bec3480e9",
-                "sha256:582ddfbe712025448206a5bc45855d16c2e491c2dd102ee9a2841418ac1c629f",
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-                "sha256:7858847f2d84bf6e64c7f66498e851c54de8ea06a6f96a32a1d192d846734418",
-                "sha256:78e93cc3571fd928a39c0b26767c986188a4118edc67bc0695bc7a284da22e82",
-                "sha256:7f43286f13d91a34fadf61ae252a51a130223c52bfefb50310d5b2deb062cf0f",
-                "sha256:86e9f8cd4b0cdd57b4ae71a9c186717daa4c5a99f3238a8723f416256e0b064d",
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-                "sha256:9342dd70a1e151684727c9c91ea003b2fb33523bf19385d4554f7897ca0141d4",
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-                "sha256:9669179786254a2e7e57f0ecf224e978471491d660aaca833f845b72a2df3709",
-                "sha256:aac1ba0a253e17889550ddb1b60a2063f7474155465577caa2a3b131224cfd54",
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-                "sha256:c1b78fb9700fc961f53386ad2fd86d87091e06ede5d118b8a50dea285a071c24",
-                "sha256:c3888a051226e676e383de03bf49eb633cd39fc829516e5334e69b8d81aae751",
-                "sha256:c5f17ad25d2c1286436761b462e22b5020d83316f8e8fcb5deb2b3151f8f1d3a",
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-                "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"
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+                "sha256:d55fae115ef9f67934e9f1103c9ba826b4c690e4c5bcf94482b8b2398311bf9c",
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+                "sha256:e35217031e4b534b09f9b9a5841b9344a30a6357627761d4218818b865d45055",
+                "sha256:e4f52c272fdc82e7c65ff3f17a7179bc5f710ebc8ce8a5cadac81215e8326740",
+                "sha256:e637ae0b7b481905358624ef2e81d7fb0b1af55f5ff99f9ba05442a444b11e45",
+                "sha256:eef5292b60b6de753d6e7f2d128d5841c7915fb1e3321c3a1fe6acfe76c38052",
+                "sha256:fb45fe08e1abc64eb836d187b20a59172053999823f7f6ef4f18a819c44ba16f"
+            ],
+            "version": "==6.4"
         },
         "django": {
             "hashes": [