diff --git a/Pipfile.lock b/Pipfile.lock
index 0dd156b..88eb899 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,34 +18,34 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:148a4a2d1a85b23883b0a4e99ab7718f518a83675e4485e44dc0c1d36988c5fa",
-                "sha256:deb70aa038e59b58593673b15e9a711d1e5ccd941b5973b30750d5d026abfd56"
+                "sha256:0eaca08f236bf502a9773e53623f766cc3ceee6453cc41e6de1c8b80f07d2364",
+                "sha256:c9c994f5e0a032cbd45089798b52e4080f4dea7241c58e3e0636c54146480bb4"
             ],
             "index": "pypi",
-            "version": "==2.2.5"
+            "version": "==2.2.18"
         },
         "pytz": {
             "hashes": [
-                "sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32",
-                "sha256:c894d57500a4cd2d5c71114aaab77dbab5eabd9022308ce5ac9bb93a60a6f0c7"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2019.2"
+            "version": "==2021.1"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
-                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
             ],
-            "version": "==0.3.0"
+            "version": "==0.4.1"
         }
     },
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:6560e1e1749f68c64a4b5dee4e091fce798d2f0d84ebe638cf0e0585a343acf4",
-                "sha256:b65db1bbaac9f9f4d190199bb8680af6f6f84fd3769a5ea883df8a91fe68b4c4"
+                "sha256:21d735aab248253531bb0f1e1e6d068f0ee23533e18ae8a6171ff892b98297cf",
+                "sha256:cfc35498ee64017be059ceffab0a25bedf7548ab76f2bea691c5565896e7128d"
             ],
-            "version": "==2.2.5"
+            "version": "==2.5.1"
         },
         "isort": {
             "hashes": [
@@ -56,26 +56,32 @@
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:02b260c8deb80db09325b99edf62ae344ce9bc64d68b7a634410b8e9a568edbf",
-                "sha256:18f9c401083a4ba6e162355873f906315332ea7035803d0fd8166051e3d402e3",
-                "sha256:1f2c6209a8917c525c1e2b55a716135ca4658a3042b5122d4e3413a4030c26ce",
-                "sha256:2f06d97f0ca0f414f6b707c974aaf8829c2292c1c497642f63824119d770226f",
-                "sha256:616c94f8176808f4018b39f9638080ed86f96b55370b5a9463b2ee5c926f6c5f",
-                "sha256:63b91e30ef47ef68a30f0c3c278fbfe9822319c15f34b7538a829515b84ca2a0",
-                "sha256:77b454f03860b844f758c5d5c6e5f18d27de899a3db367f4af06bec2e6013a8e",
-                "sha256:83fe27ba321e4cfac466178606147d3c0aa18e8087507caec78ed5a966a64905",
-                "sha256:84742532d39f72df959d237912344d8a1764c2d03fe58beba96a87bfa11a76d8",
-                "sha256:874ebf3caaf55a020aeb08acead813baf5a305927a71ce88c9377970fe7ad3c2",
-                "sha256:9f5caf2c7436d44f3cec97c2fa7791f8a675170badbfa86e1992ca1b84c37009",
-                "sha256:a0c8758d01fcdfe7ae8e4b4017b13552efa7f1197dd7358dc9da0576f9d0328a",
-                "sha256:a4def978d9d28cda2d960c279318d46b327632686d82b4917516c36d4c274512",
-                "sha256:ad4f4be843dace866af5fc142509e9b9817ca0c59342fdb176ab6ad552c927f5",
-                "sha256:ae33dd198f772f714420c5ab698ff05ff900150486c648d29951e9c70694338e",
-                "sha256:b4a2b782b8a8c5522ad35c93e04d60e2ba7f7dcb9271ec8e8c3e08239be6c7b4",
-                "sha256:c462eb33f6abca3b34cdedbe84d761f31a60b814e173b98ede3c81bb48967c4f",
-                "sha256:fd135b8d35dfdcdb984828c84d695937e58cc5f49e1c854eb311c4d6aa03f4f1"
+                "sha256:1d33d6f789697f401b75ce08e73b1de567b947740f768376631079290118ad39",
+                "sha256:2f2de8f8ac0be3e40d17730e0600619d35c78c13a099ea91ef7fb4ad944ce694",
+                "sha256:3782931963dc89e0e9a0ae4348b44762e868ea280e4f8c233b537852a8996ab9",
+                "sha256:37d9c34b96cca6787fe014aeb651217944a967a5b165e2cacb6b858d2997ab84",
+                "sha256:38c3865bd220bd983fcaa9aa11462619e84a71233bafd9c880f7b1cb753ca7fa",
+                "sha256:429c4d1862f3fc37cd56304d880f2eae5bd0da83bdef889f3bd66458aac49128",
+                "sha256:522b7c94b524389f4a4094c4bf04c2b02228454ddd17c1a9b2801fac1d754871",
+                "sha256:57fb5c5504ddd45ed420b5b6461a78f58cbb0c1b0cbd9cd5a43ad30a4a3ee4d0",
+                "sha256:5944a9b95e97de1980c65f03b79b356f30a43de48682b8bdd90aa5089f0ec1f4",
+                "sha256:6f4e5e68b7af950ed7fdb594b3f19a0014a3ace0fedb86acb896e140ffb24302",
+                "sha256:71a1ef23f22fa8437974b2d60fedb947c99a957ad625f83f43fd3de70f77f458",
+                "sha256:8a44e9901c0555f95ac401377032f6e6af66d8fc1fbfad77a7a8b1a826e0b93c",
+                "sha256:b6577f15d5516d7d209c1a8cde23062c0f10625f19e8dc9fb59268859778d7d7",
+                "sha256:c8fe2d6ff0ff583784039d0255ea7da076efd08507f2be6f68583b0da32e3afb",
+                "sha256:cadfa2c2cf54d35d13dc8d231253b7985b97d629ab9ca6e7d672c35539d38163",
+                "sha256:cd1bdace1a8762534e9a36c073cd54e97d517a17d69a17985961265be6d22847",
+                "sha256:ddbdcd10eb999d7ab292677f588b658372aadb9a52790f82484a37127a390108",
+                "sha256:e7273c64bccfd9310e9601b8f4511d84730239516bada26a0c9846c9697617ef",
+                "sha256:e7428977763150b4cf83255625a80a23dfdc94d43be7791ce90799d446b4e26f",
+                "sha256:e960e8be509e8d6d618300a6c189555c24efde63e85acaf0b14b2cd1ac743315",
+                "sha256:ecb5dd5990cec6e7f5c9c1124a37cb2c710c6d69b0c1a5c4aa4b35eba0ada068",
+                "sha256:ef3f5e288aa57b73b034ce9c1f1ac753d968f9069cd0742d1d69c698a0167166",
+                "sha256:fa5b2dee0e231fa4ad117be114251bdfe6afe39213bd629d43deb117b6a6c40a",
+                "sha256:fa7fb7973c622b9e725bee1db569d2c2ee64d2f9a089201c5e8185d482c7352d"
             ],
-            "version": "==1.4.2"
+            "version": "==1.5.2"
         },
         "mccabe": {
             "hashes": [
@@ -92,40 +98,47 @@
             "index": "pypi",
             "version": "==2.3.1"
         },
-        "six": {
-            "hashes": [
-                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
-            ],
-            "version": "==1.12.0"
-        },
         "typed-ast": {
             "hashes": [
-                "sha256:18511a0b3e7922276346bcb47e2ef9f38fb90fd31cb9223eed42c85d1312344e",
-                "sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e",
-                "sha256:2b907eb046d049bcd9892e3076c7a6456c93a25bebfe554e931620c90e6a25b0",
-                "sha256:354c16e5babd09f5cb0ee000d54cfa38401d8b8891eefa878ac772f827181a3c",
-                "sha256:4e0b70c6fc4d010f8107726af5fd37921b666f5b31d9331f0bd24ad9a088e631",
-                "sha256:630968c5cdee51a11c05a30453f8cd65e0cc1d2ad0d9192819df9978984529f4",
-                "sha256:66480f95b8167c9c5c5c87f32cf437d585937970f3fc24386f313a4c97b44e34",
-                "sha256:71211d26ffd12d63a83e079ff258ac9d56a1376a25bc80b1cdcdf601b855b90b",
-                "sha256:95bd11af7eafc16e829af2d3df510cecfd4387f6453355188342c3e79a2ec87a",
-                "sha256:bc6c7d3fa1325a0c6613512a093bc2a2a15aeec350451cbdf9e1d4bffe3e3233",
-                "sha256:cc34a6f5b426748a507dd5d1de4c1978f2eb5626d51326e43280941206c209e1",
-                "sha256:d755f03c1e4a51e9b24d899561fec4ccaf51f210d52abdf8c07ee2849b212a36",
-                "sha256:d7c45933b1bdfaf9f36c579671fec15d25b06c8398f113dab64c18ed1adda01d",
-                "sha256:d896919306dd0aa22d0132f62a1b78d11aaf4c9fc5b3410d3c666b818191630a",
-                "sha256:ffde2fbfad571af120fcbfbbc61c72469e72f550d676c3342492a9dfdefb8f12"
+                "sha256:07d49388d5bf7e863f7fa2f124b1b1d89d8aa0e2f7812faff0a5658c01c59aa1",
+                "sha256:14bf1522cdee369e8f5581238edac09150c765ec1cb33615855889cf33dcb92d",
+                "sha256:240296b27397e4e37874abb1df2a608a92df85cf3e2a04d0d4d61055c8305ba6",
+                "sha256:36d829b31ab67d6fcb30e185ec996e1f72b892255a745d3a82138c97d21ed1cd",
+                "sha256:37f48d46d733d57cc70fd5f30572d11ab8ed92da6e6b28e024e4a3edfb456e37",
+                "sha256:4c790331247081ea7c632a76d5b2a265e6d325ecd3179d06e9cf8d46d90dd151",
+                "sha256:5dcfc2e264bd8a1db8b11a892bd1647154ce03eeba94b461effe68790d8b8e07",
+                "sha256:7147e2a76c75f0f64c4319886e7639e490fee87c9d25cb1d4faef1d8cf83a440",
+                "sha256:7703620125e4fb79b64aa52427ec192822e9f45d37d4b6625ab37ef403e1df70",
+                "sha256:8368f83e93c7156ccd40e49a783a6a6850ca25b556c0fa0240ed0f659d2fe496",
+                "sha256:84aa6223d71012c68d577c83f4e7db50d11d6b1399a9c779046d75e24bed74ea",
+                "sha256:85f95aa97a35bdb2f2f7d10ec5bbdac0aeb9dafdaf88e17492da0504de2e6400",
+                "sha256:8db0e856712f79c45956da0c9a40ca4246abc3485ae0d7ecc86a20f5e4c09abc",
+                "sha256:9044ef2df88d7f33692ae3f18d3be63dec69c4fb1b5a4a9ac950f9b4ba571606",
+                "sha256:963c80b583b0661918718b095e02303d8078950b26cc00b5e5ea9ababe0de1fc",
+                "sha256:987f15737aba2ab5f3928c617ccf1ce412e2e321c77ab16ca5a293e7bbffd581",
+                "sha256:9ec45db0c766f196ae629e509f059ff05fc3148f9ffd28f3cfe75d4afb485412",
+                "sha256:9fc0b3cb5d1720e7141d103cf4819aea239f7d136acf9ee4a69b047b7986175a",
+                "sha256:a2c927c49f2029291fbabd673d51a2180038f8cd5a5b2f290f78c4516be48be2",
+                "sha256:a38878a223bdd37c9709d07cd357bb79f4c760b29210e14ad0fb395294583787",
+                "sha256:b4fcdcfa302538f70929eb7b392f536a237cbe2ed9cba88e3bf5027b39f5f77f",
+                "sha256:c0c74e5579af4b977c8b932f40a5464764b2f86681327410aa028a22d2f54937",
+                "sha256:c1c876fd795b36126f773db9cbb393f19808edd2637e00fd6caba0e25f2c7b64",
+                "sha256:c9aadc4924d4b5799112837b226160428524a9a45f830e0d0f184b19e4090487",
+                "sha256:cc7b98bf58167b7f2db91a4327da24fb93368838eb84a44c472283778fc2446b",
+                "sha256:cf54cfa843f297991b7388c281cb3855d911137223c6b6d2dd82a47ae5125a41",
+                "sha256:d003156bb6a59cda9050e983441b7fa2487f7800d76bdc065566b7d728b4581a",
+                "sha256:d175297e9533d8d37437abc14e8a83cbc68af93cc9c1c59c2c292ec59a0697a3",
+                "sha256:d746a437cdbca200622385305aedd9aef68e8a645e385cc483bdc5e488f07166",
+                "sha256:e683e409e5c45d5c9082dc1daf13f6374300806240719f95dc783d1fc942af10"
             ],
-            "markers": "implementation_name == 'cpython'",
-            "version": "==1.4.0"
+            "markers": "implementation_name == 'cpython' and python_version < '3.8'",
+            "version": "==1.4.2"
         },
         "wrapt": {
             "hashes": [
-                "sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1",
-                "sha256:e56d475ae5a61b6e6eb0bf1388bad26f1e780e5f872da2e6ddad3fa9ea12af39"
+                "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
             ],
-            "version": "==1.11.2"
+            "version": "==1.12.1"
         }
     }
 }