diff --git a/Pipfile b/Pipfile
index 7d181952c..f63c9e433 100644
--- a/Pipfile
+++ b/Pipfile
@@ -5,10 +5,7 @@ verify_ssl = true
 
 [dev-packages]
 mypy = "*"
-jedi = "*"
 black = "*"
-prospector = "*"
-rope = "*"
 jupyter = "*"
 better-exceptions = "*"
 pytest = "*"
@@ -22,6 +19,7 @@ markdown-include = "*"
 autoflake = "*"
 email-validator = "*"
 ujson = "*"
+flake8 = "*"
 
 [packages]
 starlette = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 67e116e4f..1200eaa8b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "a0f966a95cb84845ca4aad02c44fc0e7c5e2047fc44dcf19a95a4abaa02d0197"
+            "sha256": "4b06bfa62f18466090d9fecd94d4644c7b37a464b778bd2e030aac4a0c455ae5"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -26,11 +26,11 @@
         },
         "pydantic": {
             "hashes": [
-                "sha256:51f879ca4b1d114c9f892737a0d65233251fb00fcd2b6da2be0d277b8ba7d28d",
-                "sha256:c90c9e5ae2a6a3f59efdcb1505ddfb18be6dc5648b536bf33782269460954cc2"
+                "sha256:2ae265d717a9f117c5f89b1e5c5cb1565ac7e9b329207fd191cb4ac7a9ed79a9",
+                "sha256:ae6c3013d430bcbcbbc9f971cdd1870ce3b599873f14b2b525044e0d335fd55e"
             ],
             "index": "pypi",
-            "version": "==0.16.1"
+            "version": "==0.17"
         },
         "starlette": {
             "hashes": [
@@ -48,13 +48,6 @@
             ],
             "version": "==1.4.3"
         },
-        "astroid": {
-            "hashes": [
-                "sha256:292fa429e69d60e4161e7612cb7cc8fa3609e2e309f80c224d93a76d5e7b58be",
-                "sha256:c7013d119ec95eb626f7a2011f0b63d0c9a095df9ad06d8507b37084eada1a8d"
-            ],
-            "version": "==2.0.4"
-        },
         "atomicwrites": {
             "hashes": [
                 "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
@@ -189,12 +182,6 @@
             ],
             "version": "==0.14"
         },
-        "dodgy": {
-            "hashes": [
-                "sha256:65e13cf878d7aff129f1461c13cb5fd1bb6dfe66bb5327e09379c3877763280c"
-            ],
-            "version": "==0.1.9"
-        },
         "email-validator": {
             "hashes": [
                 "sha256:ddc4b5b59fa699bb10127adcf7ad4de78fde4ec539a072b104b8bb16da666ae5"
@@ -209,6 +196,14 @@
             ],
             "version": "==0.2.3"
         },
+        "flake8": {
+            "hashes": [
+                "sha256:6a35f5b8761f45c5513e3405f110a86bea57982c3b75b766ce7b65217abe1670",
+                "sha256:c01f8a3963b3571a8e6bd7a4063359aff90749e160778e03817cd9b71c9e07d2"
+            ],
+            "index": "pypi",
+            "version": "==3.6.0"
+        },
         "flit": {
             "hashes": [
                 "sha256:6aefa6ff89a993af7a7af40d3df3d0387d6663df99797981ec41b1431ec6d1e1",
@@ -267,7 +262,6 @@
                 "sha256:571702b5bd167911fe9036e5039ba67f820d6502832285cde8c881ab2b2149fd",
                 "sha256:c8481b5e59d34a5c7c42e98f6625e633f6ef59353abea6437472c7ec2093f191"
             ],
-            "index": "pypi",
             "version": "==0.13.2"
         },
         "jinja2": {
@@ -314,40 +308,6 @@
             ],
             "version": "==4.4.0"
         },
-        "lazy-object-proxy": {
-            "hashes": [
-                "sha256:0ce34342b419bd8f018e6666bfef729aec3edf62345a53b537a4dcc115746a33",
-                "sha256:1b668120716eb7ee21d8a38815e5eb3bb8211117d9a90b0f8e21722c0758cc39",
-                "sha256:209615b0fe4624d79e50220ce3310ca1a9445fd8e6d3572a896e7f9146bbf019",
-                "sha256:27bf62cb2b1a2068d443ff7097ee33393f8483b570b475db8ebf7e1cba64f088",
-                "sha256:27ea6fd1c02dcc78172a82fc37fcc0992a94e4cecf53cb6d73f11749825bd98b",
-                "sha256:2c1b21b44ac9beb0fc848d3993924147ba45c4ebc24be19825e57aabbe74a99e",
-                "sha256:2df72ab12046a3496a92476020a1a0abf78b2a7db9ff4dc2036b8dd980203ae6",
-                "sha256:320ffd3de9699d3892048baee45ebfbbf9388a7d65d832d7e580243ade426d2b",
-                "sha256:50e3b9a464d5d08cc5227413db0d1c4707b6172e4d4d915c1c70e4de0bbff1f5",
-                "sha256:5276db7ff62bb7b52f77f1f51ed58850e315154249aceb42e7f4c611f0f847ff",
-                "sha256:61a6cf00dcb1a7f0c773ed4acc509cb636af2d6337a08f362413c76b2b47a8dd",
-                "sha256:6ae6c4cb59f199d8827c5a07546b2ab7e85d262acaccaacd49b62f53f7c456f7",
-                "sha256:7661d401d60d8bf15bb5da39e4dd72f5d764c5aff5a86ef52a042506e3e970ff",
-                "sha256:7bd527f36a605c914efca5d3d014170b2cb184723e423d26b1fb2fd9108e264d",
-                "sha256:7cb54db3535c8686ea12e9535eb087d32421184eacc6939ef15ef50f83a5e7e2",
-                "sha256:7f3a2d740291f7f2c111d86a1c4851b70fb000a6c8883a59660d95ad57b9df35",
-                "sha256:81304b7d8e9c824d058087dcb89144842c8e0dea6d281c031f59f0acf66963d4",
-                "sha256:933947e8b4fbe617a51528b09851685138b49d511af0b6c0da2539115d6d4514",
-                "sha256:94223d7f060301b3a8c09c9b3bc3294b56b2188e7d8179c762a1cda72c979252",
-                "sha256:ab3ca49afcb47058393b0122428358d2fbe0408cf99f1b58b295cfeb4ed39109",
-                "sha256:bd6292f565ca46dee4e737ebcc20742e3b5be2b01556dafe169f6c65d088875f",
-                "sha256:cb924aa3e4a3fb644d0c463cad5bc2572649a6a3f68a7f8e4fbe44aaa6d77e4c",
-                "sha256:d0fc7a286feac9077ec52a927fc9fe8fe2fabab95426722be4c953c9a8bede92",
-                "sha256:ddc34786490a6e4ec0a855d401034cbd1242ef186c20d79d2166d6a4bd449577",
-                "sha256:e34b155e36fa9da7e1b7c738ed7767fc9491a62ec6af70fe9da4a057759edc2d",
-                "sha256:e5b9e8f6bda48460b7b143c3821b21b452cb3a835e6bbd5dd33aa0c8d3f5137d",
-                "sha256:e81ebf6c5ee9684be8f2c87563880f93eedd56dd2b6146d8a725b50b7e5adb0f",
-                "sha256:eb91be369f945f10d3a49f5f9be8b3d0b93a4c2be8f8a5b83b0571b8123e0a7a",
-                "sha256:f460d1ceb0e4a5dcb2a652db0904224f367c9b3c1470d5a7683c0480e582468b"
-            ],
-            "version": "==1.3.1"
-        },
         "livereload": {
             "hashes": [
                 "sha256:29cadfabcedd12eed792e0131991235b9d4764d4474bed75cf525f57109ec0a2",
@@ -426,19 +386,19 @@
         },
         "mkdocs-material": {
             "hashes": [
-                "sha256:037712dd7e2128a9b596943bcd92ebc9ad28800906dcee447e2fc008dd9dbbff",
-                "sha256:52522c8553a6d6da8fca2afe43297e8f88acdcf8ccf752a118148f1328f761e2"
+                "sha256:524debb6ee8ee89cee08886f2a67c3c3875c0ee9579c598d7448cbd2607cd3b7",
+                "sha256:62ae84082fa9f077c86b7db63e7bedf392005041b451defc850f8d0887a11e91"
             ],
             "index": "pypi",
-            "version": "==3.1.0"
+            "version": "==3.2.0"
         },
         "more-itertools": {
             "hashes": [
-                "sha256:c187a73da93e7a8acc0001572aebc7e3c69daf7bf6881a2cea10650bd4420092",
-                "sha256:c476b5d3a34e12d40130bc2f935028b5f636df8f372dc2c1c01dc19681b2039e",
-                "sha256:fcbfeaea0be121980e15bc97b3817b5202ca73d0eae185b4550cbfce2a3ebb3d"
+                "sha256:38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4",
+                "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
+                "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
             ],
-            "version": "==4.3.0"
+            "version": "==5.0.0"
         },
         "mypy": {
             "hashes": [
@@ -489,13 +449,6 @@
             ],
             "version": "==0.3.1"
         },
-        "pep8-naming": {
-            "hashes": [
-                "sha256:1b419fa45b68b61cd8c5daf4e0c96d28915ad14d3d5f35fcc1e7e95324a33a2e",
-                "sha256:4eedfd4c4b05e48796f74f5d8628c068ff788b9c2b08471ad408007fc6450e5a"
-            ],
-            "version": "==0.4.1"
-        },
         "pexpect": {
             "hashes": [
                 "sha256:2a8e88259839571d1251d278476f3eec5db26deb73a70be5ed5dc5435e418aba",
@@ -532,13 +485,6 @@
             ],
             "version": "==2.0.7"
         },
-        "prospector": {
-            "hashes": [
-                "sha256:877d8d361a5c0e04c8587718c22c5d671afcf814945c96b3e592836d772943fd"
-            ],
-            "index": "pypi",
-            "version": "==1.1.6.2"
-        },
         "ptyprocess": {
             "hashes": [
                 "sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0",
@@ -561,20 +507,12 @@
             ],
             "version": "==2.4.0"
         },
-        "pydocstyle": {
-            "hashes": [
-                "sha256:2258f9b0df68b97bf3a6c29003edc5238ff8879f1efb6f1999988d934e432bd8",
-                "sha256:5741c85e408f9e0ddf873611085e819b809fca90b619f5fd7f34bd4959da3dd4",
-                "sha256:ed79d4ec5e92655eccc21eb0c6cf512e69512b4a97d215ace46d17e4990f2039"
-            ],
-            "version": "==3.0.0"
-        },
         "pyflakes": {
             "hashes": [
-                "sha256:08bd6a50edf8cffa9fa09a463063c425ecaaf10d1eb0335a7e8b1401aef89e6f",
-                "sha256:8d616a382f243dbf19b54743f280b80198be0bca3a5396f1d2e1fca6223e8805"
+                "sha256:9a7662ec724d0120012f6e29d6248ae3727d821bba522a0e6b356eff19126a49",
+                "sha256:f661252913bc1dbe7fcfcbf0af0db3f42ab65aabd1a6ca68fe5d466bace94dae"
             ],
-            "version": "==1.6.0"
+            "version": "==2.0.0"
         },
         "pygments": {
             "hashes": [
@@ -583,38 +521,6 @@
             ],
             "version": "==2.3.1"
         },
-        "pylint": {
-            "hashes": [
-                "sha256:1d6d3622c94b4887115fe5204982eee66fdd8a951cf98635ee5caee6ec98c3ec",
-                "sha256:31142f764d2a7cd41df5196f9933b12b7ee55e73ef12204b648ad7e556c119fb"
-            ],
-            "version": "==2.1.1"
-        },
-        "pylint-celery": {
-            "hashes": [
-                "sha256:41e32094e7408d15c044178ea828dd524beedbdbe6f83f712c5e35bde1de4beb"
-            ],
-            "version": "==0.3"
-        },
-        "pylint-django": {
-            "hashes": [
-                "sha256:5dc5f85caef2c5f9e61622b9cbd89d94edd3dcf546939b2974d18de4fa90d676",
-                "sha256:bf313f10b68ed915a34f0f475cc9ff8c7f574a95302beb48b79c5993f7efd84c"
-            ],
-            "version": "==2.0.2"
-        },
-        "pylint-flask": {
-            "hashes": [
-                "sha256:8fcdbb7cbf13d8c2ac1f2230b2aa1c1b83bb3ca2bd8b76f95561cb8757a305ec"
-            ],
-            "version": "==0.5"
-        },
-        "pylint-plugin-utils": {
-            "hashes": [
-                "sha256:8ad25a82bcce390d1d6b7c006c123e0cb18051839c9df7b8bdb7823c53fe676e"
-            ],
-            "version": "==0.4"
-        },
         "pymdown-extensions": {
             "hashes": [
                 "sha256:25b0a7967fa697b5035e23340a48594e3e93acb10b06d74574218ace3347d1df",
@@ -712,19 +618,6 @@
             "index": "pypi",
             "version": "==2.21.0"
         },
-        "requirements-detector": {
-            "hashes": [
-                "sha256:9fbc4b24e8b7c3663aff32e3eba34596848c6b91bd425079b386973bd8d08931"
-            ],
-            "version": "==0.6"
-        },
-        "rope": {
-            "hashes": [
-                "sha256:a108c445e1cd897fe19272ab7877d172e7faf3d4148c80e7d20faba42ea8f7b2"
-            ],
-            "index": "pypi",
-            "version": "==0.11.0"
-        },
         "send2trash": {
             "hashes": [
                 "sha256:60001cc07d707fe247c94f74ca6ac0d3255aabcb930529690897ca2a39db28b2",
@@ -732,12 +625,6 @@
             ],
             "version": "==1.5.0"
         },
-        "setoptconf": {
-            "hashes": [
-                "sha256:5b0b5d8e0077713f5d5152d4f63be6f048d9a1bb66be15d089a11c898c3cf49c"
-            ],
-            "version": "==0.2.0"
-        },
         "six": {
             "hashes": [
                 "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
@@ -745,13 +632,6 @@
             ],
             "version": "==1.12.0"
         },
-        "snowballstemmer": {
-            "hashes": [
-                "sha256:919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128",
-                "sha256:9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89"
-            ],
-            "version": "==1.2.1"
-        },
         "terminado": {
             "hashes": [
                 "sha256:55abf9ade563b8f9be1f34e4233c7b7bde726059947a593322e8a553cc4c067a",
@@ -775,15 +655,9 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:0662d28b1ca9f67108c7e3b77afabfb9c7e87bde174fbda78186ecedc2499a9d",
-                "sha256:4e5158d97583502a7e2739951553cbd88a72076f152b4b11b64b9a10c4c49409",
-                "sha256:732e836008c708de2e89a31cb2fa6c0e5a70cb60492bee6f1ea1047500feaf7f",
-                "sha256:8154ec22c450df4e06b35f131adc4f2f3a12ec85981a203301d310abf580500f",
-                "sha256:8e9d728c4579682e837c92fdd98036bd5cdefa1da2aaf6acf26947e6dd0c01c5",
-                "sha256:d4b3e5329f572f055b587efc57d29bd051589fb5a43ec8898c77a47ec2fa2bbb",
-                "sha256:e5f2585afccbff22390cddac29849df463b252b711aa2ce7c5f3f342a5b3b444"
+                "sha256:00ebd485a52bd7eaa3f35bdf8ab43c109aaa2edc722849b6905c1ffd8c958e82"
             ],
-            "version": "==5.1.1"
+            "version": "==6.0a1"
         },
         "traitlets": {
             "hashes": [
@@ -816,7 +690,6 @@
                 "sha256:f741ba03feb480061ab91a465d1a3ed2d40b52822ada5b4017770dfcb88f839f",
                 "sha256:fe800a58547dd424cd286b7270b967b5b3316b993d86453ede184a17b5a6b17d"
             ],
-            "markers": "python_version < '3.7' and implementation_name == 'cpython'",
             "version": "==1.1.1"
         },
         "ujson": {
@@ -853,12 +726,6 @@
                 "sha256:fa618be8435447a017fd1bf2c7ae922d0428056cfc7449f7a8641edf76b48265"
             ],
             "version": "==3.4.2"
-        },
-        "wrapt": {
-            "hashes": [
-                "sha256:d4d560d479f2c21e1b5443bbd15fe7ec4b37fe7e53d335d3b9b0a7b1226fe3c6"
-            ],
-            "version": "==1.10.11"
         }
     }
 }