diff --git a/Pipfile.lock b/Pipfile.lock
index 86f282a..28c990f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -62,57 +62,52 @@
         },
         "coverage": {
             "hashes": [
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-                "sha256:3102bb2c206700a7d28181dbe04d66b30780cde1d1c02c5f3c165cf3d2489497",
-                "sha256:3498b27d8236057def41de3585f317abae235dd3a11d33e01736ffedb2ef8606",
-                "sha256:378ac77af41350a8c6b8801a66021b52da8a05fd77e578b7380e876c0ce4f528",
-                "sha256:38f16b1317b8dd82df67ed5daa5f5e7c959e46579840d77a67a4ceb9cef0a50b",
-                "sha256:3911c2ef96e5ddc748a3c8b4702c61986628bb719b8378bf1e4a6184bbd48fe4",
-                "sha256:3a3c3f8863255f3c31db3889f8055989527173ef6192a283eb6f4db3c579d830",
-                "sha256:3b14b1da110ea50c8bcbadc3b82c3933974dbeea1832e814aab93ca1163cd4c1",
-                "sha256:535dc1e6e68fad5355f9984d5637c33badbdc987b0c0d303ee95a6c979c9516f",
-                "sha256:6f61319e33222591f885c598e3e24f6a4be3533c1d70c19e0dc59e83a71ce27d",
-                "sha256:723d22d324e7997a651478e9c5a3120a0ecbc9a7e94071f7e1954562a8806cf3",
-                "sha256:76b2775dda7e78680d688daabcb485dc87cf5e3184a0b3e012e1d40e38527cc8",
-                "sha256:782a5c7df9f91979a7a21792e09b34a658058896628217ae6362088b123c8500",
-                "sha256:7e4d159021c2029b958b2363abec4a11db0ce8cd43abb0d9ce44284cb97217e7",
-                "sha256:8dacc4073c359f40fcf73aede8428c35f84639baad7e1b46fce5ab7a8a7be4bb",
-                "sha256:8f33d1156241c43755137288dea619105477961cfa7e47f48dbf96bc2c30720b",
-                "sha256:8ffd4b204d7de77b5dd558cdff986a8274796a1e57813ed005b33fd97e29f059",
-                "sha256:93a280c9eb736a0dcca19296f3c30c720cb41a71b1f9e617f341f0a8e791a69b",
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-                "sha256:a2070c5affdb3a5e751f24208c5c4f3d5f008fa04d28731416e023c93b275277",
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-                "sha256:a607ae05b6c96057ba86c811d9c43423f35e03874ffb03fbdcd45e0637e8b631",
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-                "sha256:e52d3d95df81c8f6b2a1685aabffadf2d2d9ad97203a40f8d61e51b70f191e4e",
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-                "sha256:fabeeb121735d47d8eab8671b6b031ce08514c86b7ad8f7d5490a7b6dcd6267d",
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-                "sha256:ff1330e8bc996570221b450e2d539134baa9465f5cb98aff0e0f73f34172e0ae"
-            ],
-            "version": "==5.3.1"
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+                "sha256:d1675db48490e5fa0b300f6329ecb8a9a37c29b9ab64fa9c964d34111788ca2d",
+                "sha256:da1a428bdbe71f9a8c270c7baab29e9552ac9d0e0cba5e7e9a4c9ee6465d258d",
+                "sha256:e4ff163602c5c77e7bb4ea81ba5d3b793b4419f8acd296aae149370902cf4e92",
+                "sha256:e67ccd53da5958ea1ec833a160b96357f90859c220a00150de011b787c27b98d",
+                "sha256:e8071e7d9ba9f457fc674afc3de054450be2c9b195c470147fbbc082468d8ff7",
+                "sha256:fff16a30fdf57b214778eff86391301c4509e327a65b877862f7c929f10a4253"
+            ],
+            "version": "==6.3"
         },
         "flake8": {
             "hashes": [