Update Dependencies (#196)

* update & clean up dependencies

* fix lint errors

* move requests to non-dev packages

* Empty commit to fix CI

* switch discord.py to a git dependency

* remove PIPENV_VENV_IN_PROJECT

* make pipenv install verbose

* specify checkout directory for editable dependencies

* exclude cache directory from linting

15 files changed, 431 insertions, 327 deletions

diff --git a/Pipfile b/Pipfile
index d3d315e6e..179b317df 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,27 +4,24 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-discord = {file = "https://github.com/Rapptz/discord.py/archive/rewrite.zip", egg = "discord.py[voice]"}
+discord-py = {git = "https://github.com/Rapptz/discord.py.git", extras = ["voice"], ref = "860d6a9ace8248dfeec18b8b159e7b757d9f56bb", editable = true}
 dulwich = "*"
-multidict = "*"
-sympy = "*"
 aiodns = "*"
 logmatic-python = "*"
-aiohttp = "<2.3.0,>=2.0.0"
-websockets = ">=4.0,<5.0"
+aiohttp = "*"
 sphinx = "*"
 markdownify = "*"
 lxml = "*"
 pyyaml = "*"
-yarl = "==1.1.1"
 fuzzywuzzy = "*"
 pillow = "*"
 aio-pika = "*"
 python-dateutil = "*"
 deepdiff = "*"
+requests = "*"
 
 [dev-packages]
-"flake8" = "*"
+"flake8" = ">=3.6"
 "flake8-bugbear" = "*"
 "flake8-import-order" = "*"
 "flake8-tidy-imports" = "*"
@@ -32,7 +29,6 @@ deepdiff = "*"
 "flake8-string-format" = "*"
 safety = "*"
 dodgy = "*"
-requests = "*"
 
 [requires]
 python_version = "3.6"
diff --git a/Pipfile.lock b/Pipfile.lock
index 8b43235bb..506b17065 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "9c22a342245c638b196b519a8afb8a2c66410d76283746cfdd89f19ff7dce94c"
+            "sha256": "79a3c633f145dbf93ba5b2460d3f49346495328af7302e59be326e9324785cf3"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,11 +18,11 @@
     "default": {
         "aio-pika": {
             "hashes": [
-                "sha256:c19c38155f4972f6a9f3f0f1095ce261bfb4e8b89553ead240486593aafd9431",
-                "sha256:d41748994e2f809c440a04a1eb809aaae00691caa8e2dab7376d640131754aa4"
+                "sha256:6438e72963e459552f196a07a081a5f6dc54d42a474292b8497bd4a59554fc85",
+                "sha256:dc15b451dca6d2b1c504ab353e3f2fe7e7e252fdb1c219261b5412e1cafbc72d"
             ],
             "index": "pypi",
-            "version": "==3.0.1"
+            "version": "==4.6.3"
         },
         "aiodns": {
             "hashes": [
@@ -34,36 +34,51 @@
         },
         "aiohttp": {
             "hashes": [
-                "sha256:129d83dd067760cec3cfd4456b5c6d7ac29f2c639d856884568fd539bed5a51f",
-                "sha256:33c62afd115c456b0cf1e890fe6753055effe0f31a28321efd4f787378d6f4ab",
-                "sha256:666756e1d4cf161ed1486b82f65fdd386ac07dd20fb10f025abf4be54be12746",
-                "sha256:9705ded5a0faa25c8f14c6afb7044002d66c9120ed7eadb4aa9ca4aad32bd00c",
-                "sha256:af5bfdd164256118a0a306b3f7046e63207d1f8cba73a67dcc0bd858dcfcd3bc",
-                "sha256:b80f44b99fa3c9b4530fcfa324a99b84843043c35b084e0b653566049974435d",
-                "sha256:c67e105ec74b85c8cb666b6877569dee6f55b9548f982983b9bee80b3d47e6f3",
-                "sha256:d15c6658de5b7783c2538407278fa062b079a46d5f814a133ae0f09bbb2cfbc4",
-                "sha256:d611ebd1ef48498210b65486306e065fde031040a1f3c455ca1b6baa7bf32ad3",
-                "sha256:dcc7e4dcec6b0012537b9f8a0726f8b111188894ab0f924b680d40b13d3298a0",
-                "sha256:de8ef106e130b94ca143fdfc6f27cda1d8ba439462542377738af4d99d9f5dd2",
-                "sha256:eb6f1405b607fff7e44168e3ceb5d3c8a8c5a2d3effe0a27f843b16ec047a6d7",
-                "sha256:f0e2ac69cb709367400008cebccd5d48161dd146096a009a632a132babe5714c"
-            ],
-            "index": "pypi",
-            "version": "==2.2.5"
+                "sha256:0419705a36b43c0ac6f15469f9c2a08cad5c939d78bd12a5c23ea167c8253b2b",
+                "sha256:1812fc4bc6ac1bde007daa05d2d0f61199324e0cc893b11523e646595047ca08",
+                "sha256:2214b5c0153f45256d5d52d1e0cafe53f9905ed035a142191727a5fb620c03dd",
+                "sha256:275909137f0c92c61ba6bb1af856a522d5546f1de8ea01e4e726321c697754ac",
+                "sha256:3983611922b561868428ea1e7269e757803713f55b53502423decc509fef1650",
+                "sha256:51afec6ffa50a9da4cdef188971a802beb1ca8e8edb40fa429e5e529db3475fa",
+                "sha256:589f2ec8a101a0f340453ee6945bdfea8e1cd84c8d88e5be08716c34c0799d95",
+                "sha256:789820ddc65e1f5e71516adaca2e9022498fa5a837c79ba9c692a9f8f916c330",
+                "sha256:7a968a0bdaaf9abacc260911775611c9a602214a23aeb846f2eb2eeaa350c4dc",
+                "sha256:7aeefbed253f59ea39e70c5848de42ed85cb941165357fc7e87ab5d8f1f9592b",
+                "sha256:7b2eb55c66512405103485bd7d285a839d53e7fdc261ab20e5bcc51d7aaff5de",
+                "sha256:87bc95d3d333bb689c8d755b4a9d7095a2356108002149523dfc8e607d5d32a4",
+                "sha256:9d80e40db208e29168d3723d1440ecbb06054d349c5ece6a2c5a611490830dd7",
+                "sha256:a1b442195c2a77d33e4dbee67c9877ccbdd3a1f686f91eb479a9577ed8cc326b",
+                "sha256:ab3d769413b322d6092f169f316f7b21cd261a7589f7e31db779d5731b0480d8",
+                "sha256:b066d3dec5d0f5aee6e34e5765095dc3d6d78ef9839640141a2b20816a0642bd",
+                "sha256:b24e7845ae8de3e388ef4bcfcf7f96b05f52c8e633b33cf8003a6b1d726fc7c2",
+                "sha256:c59a953c3f8524a7c86eaeaef5bf702555be12f5668f6384149fe4bb75c52698",
+                "sha256:cf2cc6c2c10d242790412bea7ccf73726a9a44b4c4b073d2699ef3b48971fd95",
+                "sha256:e0c9c8d4150ae904f308ff27b35446990d2b1dfc944702a21925937e937394c6",
+                "sha256:f1839db4c2b08a9c8f9788112644f8a8557e8e0ecc77b07091afabb941dc55d0",
+                "sha256:f3df52362be39908f9c028a65490fae0475e4898b43a03d8aa29d1e765b45e07"
+            ],
+            "version": "==3.4.4"
         },
         "alabaster": {
             "hashes": [
-                "sha256:674bb3bab080f598371f4443c5008cbfeb1a5e622dd312395d2d82af2c54c456",
-                "sha256:b63b1f4dc77c074d386752ec4a8a7517600f6c0db8cd42980cae17ab7b3275d7"
+                "sha256:446438bdcca0e05bd45ea2de1668c1d9b032e1a9154c2c259092d77031ddd359",
+                "sha256:a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02"
             ],
-            "version": "==0.7.11"
+            "version": "==0.7.12"
         },
         "async-timeout": {
             "hashes": [
-                "sha256:474d4bc64cee20603e225eb1ece15e248962958b45a3648a9f5cc29e827a610c",
-                "sha256:b3c0ddc416736619bd4a95ca31de8da6920c3b9a140c64dbef2b2fa7bf521287"
+                "sha256:0c3c816a028d47f659d6ff5c745cb2acf1f966da1fe5c19c77a70282b25f4c5f",
+                "sha256:4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3"
+            ],
+            "version": "==3.0.1"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
+                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
             ],
-            "version": "==3.0.0"
+            "version": "==18.2.0"
         },
         "babel": {
             "hashes": [
@@ -74,20 +89,55 @@
         },
         "beautifulsoup4": {
             "hashes": [
-                "sha256:2545357585a6cc7d050d3c43a86eba2c0b91b9e7ac8a3965e64a6ead6a1a9a3d",
-                "sha256:272081ad78c5495ba67083a0e50920163701fa6fe67fbb5eefeb21b5dd88c40b",
-                "sha256:4ddc90ad88bccc005a71d8ef32f7b1cd8f935475cd561c4122b2f87de45d28ab",
-                "sha256:5a3d659840960a4107047b6328d6d4cdaaee69939bf11adc07466a1856c99a80",
-                "sha256:bd43a3b26d2886acd63070c43da821b60dea603eb6d45bab0294aac6129adbfa"
+                "sha256:194ec62a25438adcb3fdb06378b26559eda1ea8a747367d34c33cef9c7f48d57",
+                "sha256:90f8e61121d6ae58362ce3bed8cd997efb00c914eae0ff3d363c32f9a9822d10",
+                "sha256:f0abd31228055d698bb392a826528ea08ebb9959e6bea17c606fd9c9009db938"
             ],
-            "version": "==4.6.1"
+            "version": "==4.6.3"
         },
         "certifi": {
             "hashes": [
-                "sha256:13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7",
-                "sha256:9fa520c1bacfb634fa7af20a76bcbd3d5fb390481724c597da32c719a7dca4b0"
-            ],
-            "version": "==2018.4.16"
+                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
+                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+            ],
+            "version": "==2018.10.15"
+        },
+        "cffi": {
+            "hashes": [
+                "sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
+                "sha256:1553d1e99f035ace1c0544050622b7bc963374a00c467edafac50ad7bd276aef",
+                "sha256:1b0493c091a1898f1136e3f4f991a784437fac3673780ff9de3bcf46c80b6b50",
+                "sha256:2ba8a45822b7aee805ab49abfe7eec16b90587f7f26df20c71dd89e45a97076f",
+                "sha256:3bb6bd7266598f318063e584378b8e27c67de998a43362e8fce664c54ee52d30",
+                "sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
+                "sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
+                "sha256:495c5c2d43bf6cebe0178eb3e88f9c4aa48d8934aa6e3cddb865c058da76756b",
+                "sha256:4c91af6e967c2015729d3e69c2e51d92f9898c330d6a851bf8f121236f3defd3",
+                "sha256:57b2533356cb2d8fac1555815929f7f5f14d68ac77b085d2326b571310f34f6e",
+                "sha256:770f3782b31f50b68627e22f91cb182c48c47c02eb405fd689472aa7b7aa16dc",
+                "sha256:79f9b6f7c46ae1f8ded75f68cf8ad50e5729ed4d590c74840471fc2823457d04",
+                "sha256:7a33145e04d44ce95bcd71e522b478d282ad0eafaf34fe1ec5bbd73e662f22b6",
+                "sha256:857959354ae3a6fa3da6651b966d13b0a8bed6bbc87a0de7b38a549db1d2a359",
+                "sha256:87f37fe5130574ff76c17cab61e7d2538a16f843bb7bca8ebbc4b12de3078596",
+                "sha256:95d5251e4b5ca00061f9d9f3d6fe537247e145a8524ae9fd30a2f8fbce993b5b",
+                "sha256:9d1d3e63a4afdc29bd76ce6aa9d58c771cd1599fbba8cf5057e7860b203710dd",
+                "sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
+                "sha256:a6a5cb8809091ec9ac03edde9304b3ad82ad4466333432b16d78ef40e0cce0d5",
+                "sha256:ae5e35a2c189d397b91034642cb0eab0e346f776ec2eb44a49a459e6615d6e2e",
+                "sha256:b0f7d4a3df8f06cf49f9f121bead236e328074de6449866515cea4907bbc63d6",
+                "sha256:b75110fb114fa366b29a027d0c9be3709579602ae111ff61674d28c93606acca",
+                "sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
+                "sha256:be2a9b390f77fd7676d80bc3cdc4f8edb940d8c198ed2d8c0be1319018c778e1",
+                "sha256:ca1bd81f40adc59011f58159e4aa6445fc585a32bb8ac9badf7a2c1aa23822f2",
+                "sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
+                "sha256:e55e22ac0a30023426564b1059b035973ec82186ddddbac867078435801c7801",
+                "sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4",
+                "sha256:ecbb7b01409e9b782df5ded849c178a0aa7c906cf8c5a67368047daab282b184",
+                "sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
+                "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
+                "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb"
+            ],
+            "version": "==1.11.5"
         },
         "chardet": {
             "hashes": [
@@ -105,9 +155,13 @@
             "index": "pypi",
             "version": "==3.3.0"
         },
-        "discord": {
-            "egg": "discord.py[voice]",
-            "file": "https://github.com/Rapptz/discord.py/archive/rewrite.zip"
+        "discord-py": {
+            "editable": true,
+            "extras": [
+                "voice"
+            ],
+            "git": "https://github.com/Rapptz/discord.py.git",
+            "ref": "860d6a9ace8248dfeec18b8b159e7b757d9f56bb"
         },
         "docutils": {
             "hashes": [
@@ -119,18 +173,18 @@
         },
         "dulwich": {
             "hashes": [
-                "sha256:34f99e575fe1f1e89cca92cec1ddd50b4991199cb00609203b28df9eb83ce259"
+                "sha256:5e1e39555f594939a8aff1ca08b3bdf6c7efd4b941c2850760983a0197240974"
             ],
             "index": "pypi",
-            "version": "==0.19.5"
+            "version": "==0.19.9"
         },
         "fuzzywuzzy": {
             "hashes": [
-                "sha256:d40c22d2744dff84885b30bbfc07fab7875f641d070374331777a4d1808b8d4e",
-                "sha256:ecf490216fb4d76b558a03042ff8f45a8782f17326caca1384d834cbaa2c7e6f"
+                "sha256:5ac7c0b3f4658d2743aa17da53a55598144edbc5bee3c6863840636e6926f254",
+                "sha256:6f49de47db00e1c71d40ad16da42284ac357936fa9b66bea1df63fed07122d62"
             ],
             "index": "pypi",
-            "version": "==0.16.0"
+            "version": "==0.17.0"
         },
         "idna": {
             "hashes": [
@@ -139,12 +193,19 @@
             ],
             "version": "==2.7"
         },
+        "idna-ssl": {
+            "hashes": [
+                "sha256:a933e3bb13da54383f9e8f35dc4f9cb9eb9b3b78c6b36f311254d6d0d92c6c7c"
+            ],
+            "markers": "python_version < '3.7'",
+            "version": "==1.1.0"
+        },
         "imagesize": {
             "hashes": [
-                "sha256:3620cc0cadba3f7475f9940d22431fc4d407269f1be59ec9b8edcca26440cf18",
-                "sha256:5b326e4678b6925158ccc66a9fa3122b6106d7c876ee32d7de6ce59385b96315"
+                "sha256:3f349de3eb99145973fefb7dbe38554414e5c30abd0c8e4b970a7c9d09f3a1d8",
+                "sha256:f3832918bc3c66617f92e35f5d70729187676313caa60c187eb0f28b8fe5e3b5"
             ],
-            "version": "==1.0.0"
+            "version": "==1.1.0"
         },
         "jinja2": {
             "hashes": [
@@ -155,9 +216,11 @@
         },
         "jsonpickle": {
             "hashes": [
-                "sha256:545b3bee0d65e1abb4baa1818edcc9ec239aa9f2ffbfde8084d71c056180054f"
+                "sha256:8b6212f1155f43ce67fa945efae6d010ed059f3ca5ed377aa070e5903d45b722",
+                "sha256:d43ede55b3d9b5524a8e11566ea0b11c9c8109116ef6a509a1b619d2041e7397",
+                "sha256:ed4adf0d14564c56023862eabfac211cf01211a20c5271896c8ab6f80c68086c"
             ],
-            "version": "==0.9.6"
+            "version": "==1.0"
         },
         "logmatic-python": {
             "hashes": [
@@ -168,35 +231,39 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:0941f4313208c07734410414d8308812b044fd3fb98573454e3d3a0d2e201f3d",
-                "sha256:0b18890aa5730f9d847bc5469e8820f782d72af9985a15a7552109a86b01c113",
-                "sha256:21f427945f612ac75576632b1bb8c21233393c961f2da890d7be3927a4b6085f",
-                "sha256:24cf6f622a4d49851afcf63ac4f0f3419754d4e98a7a548ab48dd03c635d9bd3",
-                "sha256:2dc6705486b8abee1af9e2a3761e30a3cb19e8276f20ca7e137ee6611b93707c",
-                "sha256:2e43b2e5b7d2b9abe6e0301eef2c2c122ab45152b968910eae68bdee2c4cfae0",
-                "sha256:329a6d8b6d36f7d6f8b6c6a1db3b2c40f7e30a19d3caf62023c9d6a677c1b5e1",
-                "sha256:423cde55430a348bda6f1021faad7235c2a95a6bdb749e34824e5758f755817a",
-                "sha256:4651ea05939374cfb5fe87aab5271ed38c31ea47997e17ec3834b75b94bd9f15",
-                "sha256:4be3bbfb2968d7da6e5c2cd4104fc5ec1caf9c0794f6cae724da5a53b4d9f5a3",
-                "sha256:622f7e40faef13d232fb52003661f2764ce6cdef3edb0a59af7c1559e4cc36d1",
-                "sha256:664dfd4384d886b239ef0d7ee5cff2b463831079d250528b10e394a322f141f9",
-                "sha256:697c0f58ac637b11991a1bc92e07c34da4a72e2eda34d317d2c1c47e2f24c1b3",
-                "sha256:6ec908b4c8a4faa7fe1a0080768e2ce733f268b287dfefb723273fb34141475f",
-                "sha256:7ec3fe795582b75bb49bb1685ffc462dbe38d74312dac07ce386671a28b5316b",
-                "sha256:8c39babd923c431dcf1e5874c0f778d3a5c745a62c3a9b6bd755efd489ee8a1d",
-                "sha256:949ca5bc56d6cb73d956f4862ba06ad3c5d2808eac76304284f53ae0c8b2334a",
-                "sha256:9f0daddeefb0791a600e6195441910bdf01eac470be596b9467e6122b51239a6",
-                "sha256:a359893b01c30e949eae0e8a85671a593364c9f0b8162afe0cb97317af0953bf",
-                "sha256:ad5d5d8efed59e6b1d4c50c1eac59fb6ecec91b2073676af1e15fc4d43e9b6c5",
-                "sha256:bc1a36f95a6b3667c09b34995fc3a46a82e4cf0dc3e7ab281e4c77b15bd7af05",
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@@ -207,97 +274,113 @@
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+                "sha256:c2b62d3df80e694c0e4a0ed47754c9480521e25642251b3ab1dff050a4e60409",
+                "sha256:c5e2be6c263b64f6f7656e23e18a4a9980cffc671442795682e8c4e4f815dd9f",
+                "sha256:c99aa3c63104e0818ec566f8ff3942fb7c7a8f35f9912cb63fd8e12318b214b2",
+                "sha256:dae06620d3978da346375ebf88b9e2dd7d151335ba668c995aea9ed07af7add4",
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+                "sha256:ff8cff01582fa1a7e533cb97f628531c4014af4b5f38e33cdcfe5eec29b6d888"
             ],
             "index": "pypi",
-            "version": "==5.2.0"
+            "version": "==5.3.0"
         },
         "pycares": {
             "hashes": [
@@ -325,6 +408,12 @@
             ],
             "version": "==2.3.0"
         },
+        "pycparser": {
+            "hashes": [
+                "sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3"
+            ],
+            "version": "==2.19"
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         "pygments": {
             "hashes": [
                 "sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
@@ -332,39 +421,70 @@
             ],
             "version": "==2.2.0"
         },
+        "pynacl": {
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+                "sha256:9c8a06556918ee8e3ab48c65574f318f5a0a4d31437fc135da7ee9d4f9080415",
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+                "sha256:be71cd5fce04061e1f3d39597f93619c80cdd3558a6c9ba99a546f144a8d8101",
+                "sha256:c5b1a7a680218dee9da0f1b5e24072c46b3c275d35712bc1d505b85bb03441c0",
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+                "sha256:d3a934e2b9f20abac009d5b6951067cfb5486889cb913192b4d8288b216842f1",
+                "sha256:d795f506bcc9463efb5ebb0f65ed77921dcc9e0a50499dedd89f208445de9ecb",
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+                "sha256:de2aaca8386cf4d70f1796352f2346f48ddb0bed61dc43a3ce773ba12e064031",
+                "sha256:e0d38fa0a75f65f556fb912f2c6790d1fa29b7dd27a1d9cc5591b281321eaaa9",
+                "sha256:eb2acabbd487a46b38540a819ef67e477a674481f84a82a7ba2234b9ba46f752",
+                "sha256:eeee629828d0eb4f6d98ac41e9a3a6461d114d1d0aa111a8931c049359298da0",
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+                "sha256:f5ce9e26d25eb0b2d96f3ef0ad70e1d3ae89b5d60255c462252a3e456a48c053",
+                "sha256:fabf73d5d0286f9e078774f3435601d2735c94ce9e514ac4fb945701edead7e4"
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+            "version": "==1.2.1"
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             "hashes": [
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-                "sha256:e4d45427c6e20a59bf4f88c639dcc03ce30d193112047f94012102f235853a58",
-                "sha256:fee43f17a9c4087e7ed1605bd6df994c6173c1e977d7ade7b651292fab2bd010"
+                "sha256:40856e74d4987de5d01761a22d1621ae1c7f8774585acae358aa5c5936c6c90b",
+                "sha256:f353aab21fd474459d97b709e527b5571314ee5f067441dc9f88e33eecd96592"
             ],
-            "version": "==2.2.0"
+            "version": "==2.3.0"
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         "python-dateutil": {
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-                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
-                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
+                "sha256:063df5763652e21de43de7d9e00ccf239f953a832941e37be541614732cdfc93",
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             ],
             "index": "pypi",
-            "version": "==2.7.3"
+            "version": "==2.7.5"
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         "python-json-logger": {
             "hashes": [
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-                "sha256:e3636824d35ba6a15fc39f573588cba63cf46322a5dc86fb2f280229077e9fbe"
+                "sha256:3e000053837500f9eb28d6228d7cb99fabfc1874d34b40c08289207292abaf2e",
+                "sha256:cf2caaf34bd2eff394915b6242de4d0245de79971712439380ece6f149748cde"
             ],
-            "version": "==0.1.9"
+            "version": "==0.1.10"
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         "pytz": {
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-                "sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277"
+                "sha256:31cb35c89bd7d333cd32c5f278fca91b523b0834369e757f4c5641ea252236ca",
+                "sha256:8e0f8568c118d3077b46be7d654cc8167fa916092e28320cde048e54bfc9f1e6"
             ],
-            "version": "==2018.5"
+            "version": "==2018.7"
         },
         "pyyaml": {
             "hashes": [
@@ -385,10 +505,11 @@
         },
         "requests": {
             "hashes": [
-                "sha256:63b52e3c866428a224f97cab011de738c36aec0185aa91cfacd418b5d58911d1",
-                "sha256:ec22d826a36ed72a7358ff3fe56cbd4ba69dd7a6718ffd450ff0e9df7a47ce6a"
+                "sha256:65b3a120e4329e33c9889db89c80976c5272f56ea92d3e74da8a463992e3ff54",
+                "sha256:ea881206e59f41dbd0bd445437d792e43906703fff75ca8ff43ccdb11f33f263"
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-            "version": "==2.19.1"
+            "index": "pypi",
+            "version": "==2.20.1"
         },
         "shortuuid": {
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@@ -412,11 +533,11 @@
         },
         "sphinx": {
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-                "sha256:a765c6db1e5b62aae857697cd4402a5c1a315a7b0854bbcd0fc8cdc524da5896"
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-            "version": "==1.7.6"
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@@ -425,76 +546,68 @@
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-            "version": "==1.23"
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+                "sha256:9182cd6f93412d32e009020a44d6d170d2093646464a88aeec2aef50592f8c78",
+                "sha256:c8cbc21bbfa1dd7d5386d48cc814fe3d35b80f60299cdde9279046f399c3b0d8",
+                "sha256:db6f70a4b09cde813a4807843abaaa60f3b15fb4a2a06f9ae9c311472662daa1",
+                "sha256:f17495e6fe3d377e3faac68121caef6f974fcb9e046bc075bcff40d8e5cc69a4",
+                "sha256:f85900b9cca0c67767bb61b2b9bd53208aaa7373dae633dbe25d179b4bf38aa7"
+            ],
+            "version": "==1.2.6"
         }
     },
     "develop": {
         "attrs": {
             "hashes": [
-                "sha256:4b90b09eeeb9b88c35bc642cbac057e45a5fd85367b985bd2809c62b7b939265",
-                "sha256:e0d0eb91441a3b53dab4d9b743eafc1ac44476296a2053b6ca3af0b139faf87b"
+                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
+                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
             ],
-            "version": "==18.1.0"
+            "version": "==18.2.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7",
-                "sha256:9fa520c1bacfb634fa7af20a76bcbd3d5fb390481724c597da32c719a7dca4b0"
+                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
+                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
             ],
-            "version": "==2018.4.16"
+            "version": "==2018.10.15"
         },
         "chardet": {
             "hashes": [
@@ -505,10 +618,10 @@
         },
         "click": {
             "hashes": [
-                "sha256:29f99fc6125fbc931b758dc053b3114e55c77a6e4c6c3a2674a2dc986016381d",
-                "sha256:f15516df478d5a56180fbf80e68f206010e6d160fc39fa508b65e035fd75130b"
+                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
+                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
             ],
-            "version": "==6.7"
+            "version": "==7.0"
         },
         "dodgy": {
             "hashes": [
@@ -526,19 +639,19 @@
         },
         "flake8": {
             "hashes": [
-                "sha256:7253265f7abd8b313e3892944044a365e3f4ac3fcdcfb4298f55ee9ddf188ba0",
-                "sha256:c7841163e2b576d435799169b78703ad6ac1bbb0f199994fc05f700b2a90ea37"
+                "sha256:6a35f5b8761f45c5513e3405f110a86bea57982c3b75b766ce7b65217abe1670",
+                "sha256:c01f8a3963b3571a8e6bd7a4063359aff90749e160778e03817cd9b71c9e07d2"
             ],
             "index": "pypi",
-            "version": "==3.5.0"
+            "version": "==3.6.0"
         },
         "flake8-bugbear": {
             "hashes": [
-                "sha256:541746f0f3b2f1a8d7278e1d2d218df298996b60b02677708560db7c7e620e3b",
-                "sha256:5f14a99d458e29cb92be9079c970030e0dd398b2decb179d76d39a5266ea1578"
+                "sha256:07b6e769d7f4e168d590f7088eae40f6ddd9fa4952bed31602def65842682c83",
+                "sha256:0ccf56975f4db1d69dc1cf3598c99d768ebf95d0cad27d76087954aa399b515a"
             ],
             "index": "pypi",
-            "version": "==18.2.0"
+            "version": "==18.8.0"
         },
         "flake8-import-order": {
             "hashes": [
@@ -587,36 +700,31 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:e9215d2d2535d3ae866c3d6efc77d5b24a0192cce0ff20e42896cc0664f889c0",
-                "sha256:f019b770dd64e585a99714f1fd5e01c7a8f11b45635aa953fd41c689a657375b"
+                "sha256:0886227f54515e592aaa2e5a553332c73962917f2831f1b0f9b9f4380a4b9807",
+                "sha256:f95a1e147590f204328170981833854229bb2912ac3d5f89e2a8ccd2834800c9"
             ],
-            "version": "==17.1"
+            "version": "==18.0"
         },
         "pycodestyle": {
             "hashes": [
-                "sha256:682256a5b318149ca0d2a9185d365d8864a768a28db66a84a2ea946bcc426766",
-                "sha256:6c4245ade1edfad79c3446fadfc96b0de2759662dc29d07d80a6f27ad1ca6ba9"
+                "sha256:cbc619d09254895b0d12c2c691e237b2e91e9b2ecf5e84c26b35400f93dcfb83",
+                "sha256:cbfca99bd594a10f674d0cd97a3d802a1fdef635d4361e1a2658de47ed261e3a"
             ],
-            "version": "==2.3.1"
+            "version": "==2.4.0"
         },
         "pyflakes": {
             "hashes": [
-                "sha256:08bd6a50edf8cffa9fa09a463063c425ecaaf10d1eb0335a7e8b1401aef89e6f",
-                "sha256:8d616a382f243dbf19b54743f280b80198be0bca3a5396f1d2e1fca6223e8805"
+                "sha256:9a7662ec724d0120012f6e29d6248ae3727d821bba522a0e6b356eff19126a49",
+                "sha256:f661252913bc1dbe7fcfcbf0af0db3f42ab65aabd1a6ca68fe5d466bace94dae"
             ],
-            "version": "==1.6.0"
+            "version": "==2.0.0"
         },
         "pyparsing": {
             "hashes": [
-                "sha256:0832bcf47acd283788593e7a0f542407bd9550a55a8a8435214a1960e04bcb04",
-                "sha256:281683241b25fe9b80ec9d66017485f6deff1af5cde372469134b56ca8447a07",
-                "sha256:8f1e18d3fd36c6795bb7e02a39fd05c611ffc2596c1e0d995d34d67630426c18",
-                "sha256:9e8143a3e15c13713506886badd96ca4b579a87fbdf49e550dbfc057d6cb218e",
-                "sha256:b8b3117ed9bdf45e14dcc89345ce638ec7e0e29b2b579fa1ecf32ce45ebac8a5",
-                "sha256:e4d45427c6e20a59bf4f88c639dcc03ce30d193112047f94012102f235853a58",
-                "sha256:fee43f17a9c4087e7ed1605bd6df994c6173c1e977d7ade7b651292fab2bd010"
+                "sha256:40856e74d4987de5d01761a22d1621ae1c7f8774585acae358aa5c5936c6c90b",
+                "sha256:f353aab21fd474459d97b709e527b5571314ee5f067441dc9f88e33eecd96592"
             ],
-            "version": "==2.2.0"
+            "version": "==2.3.0"
         },
         "pyyaml": {
             "hashes": [
@@ -637,18 +745,19 @@
         },
         "requests": {
             "hashes": [
-                "sha256:63b52e3c866428a224f97cab011de738c36aec0185aa91cfacd418b5d58911d1",
-                "sha256:ec22d826a36ed72a7358ff3fe56cbd4ba69dd7a6718ffd450ff0e9df7a47ce6a"
+                "sha256:65b3a120e4329e33c9889db89c80976c5272f56ea92d3e74da8a463992e3ff54",
+                "sha256:ea881206e59f41dbd0bd445437d792e43906703fff75ca8ff43ccdb11f33f263"
             ],
-            "version": "==2.19.1"
+            "index": "pypi",
+            "version": "==2.20.1"
         },
         "safety": {
             "hashes": [
-                "sha256:2689fe629bafe9450796d36578aa112820ff65038578aee004f60b9db1ba4ae8",
-                "sha256:cd04e57ff8cf8984ff2cb11973e1d5469dae681e25d4edfccb1ef08cc107b2c0"
+                "sha256:399511524f47230d5867f1eb75548f9feefb7a2711a4985cb5be0e034f87040f",
+                "sha256:69b970918324865dcd7b92337e07152a0ea1ceecaf92f4d3b38529ee0ca83441"
             ],
             "index": "pypi",
-            "version": "==1.8.3"
+            "version": "==1.8.4"
         },
         "six": {
             "hashes": [
@@ -659,10 +768,10 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
-                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
+                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
+                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
             ],
-            "version": "==1.23"
+            "version": "==1.24.1"
         }
     }
 }
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index bc523fb31..6a63cfe21 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -4,7 +4,6 @@ variables:
   PIPENV_HIDE_EMOJIS: 1
   PIPENV_IGNORE_VIRTUALENVS: 1
   PIPENV_NOSPIN: 1
-  PIPENV_VENV_IN_PROJECT: 1
 
 jobs:
 - job: test
@@ -12,34 +11,35 @@ jobs:
 
   pool:
     vmImage: 'Ubuntu 16.04'
-  
+
   variables:
     PIPENV_CACHE_DIR: ".cache/pipenv"
     PIP_CACHE_DIR: ".cache/pip"
+    PIP_SRC: ".cache/src"
 
   steps:
   - script: sudo apt-get install build-essential curl docker libffi-dev libfreetype6-dev libxml2 libxml2-dev libxslt1-dev zlib1g zlib1g-dev
     displayName: 'Install base dependencies'
-  
+
   - task: UsePythonVersion@0
     displayName: 'Set Python version'
     inputs:
-      versionSpec: '3.7.x' 
-      addToPath: true 
+      versionSpec: '3.7.x'
+      addToPath: true
 
   - script: sudo pip install pipenv
     displayName: 'Install pipenv'
-  
+
   - script: pipenv install --dev --deploy --system
     displayName: 'Install project using pipenv'
-  
+
   - script: python -m flake8
     displayName: 'Run linter'
 
 - job: build
   displayName: 'Build Containers'
   dependsOn: 'test'
-  
+
   steps:
   - task: Docker@1
     displayName: 'Login: Docker Hub'
diff --git a/bot/cogs/alias.py b/bot/cogs/alias.py
index ea36b5ebd..12edb202f 100644
--- a/bot/cogs/alias.py
+++ b/bot/cogs/alias.py
@@ -153,7 +153,7 @@ class Alias:
 
     @get_group_alias.command(name="tags", aliases=("tag", "t"), hidden=True)
     async def tags_get_alias(
-            self, ctx: Context, *, tag_name: TagNameConverter=None
+            self, ctx: Context, *, tag_name: TagNameConverter = None
     ):
         """
         Alias for invoking <prefix>tags get [tag_name].
diff --git a/bot/cogs/bot.py b/bot/cogs/bot.py
index 252695027..6353557d9 100644
--- a/bot/cogs/bot.py
+++ b/bot/cogs/bot.py
@@ -285,9 +285,9 @@ class Bot:
                         howto = (
                             "It looks like you are trying to paste code into this channel.\n\n"
                             "You seem to be using the wrong symbols to indicate where the codeblock should start. "
-                            f"The correct symbols would be \`\`\`, not `{ticks}`.\n\n"
+                            f"The correct symbols would be \\`\\`\\`, not `{ticks}`.\n\n"
                             "**Here is an example of how it should look:**\n"
-                            f"\`\`\`python\n{content}\n\`\`\`\n\n**This will result in the following:**\n"
+                            f"\\`\\`\\`python\n{content}\n\\`\\`\\`\n\n**This will result in the following:**\n"
                             f"```python\n{content}\n```"
                         )
 
@@ -329,7 +329,7 @@ class Bot:
                                 "syntax highlighting. Please use these whenever you paste code, as this "
                                 "helps improve the legibility and makes it easier for us to help you.\n\n"
                                 f"**To do this, use the following method:**\n"
-                                f"\`\`\`python\n{content}\n\`\`\`\n\n**This will result in the following:**\n"
+                                f"\\`\\`\\`python\n{content}\n\\`\\`\\`\n\n**This will result in the following:**\n"
                                 f"```python\n{content}\n```"
                             )
 
diff --git a/bot/cogs/eval.py b/bot/cogs/eval.py
index 8261b0a3b..651aa048b 100644
--- a/bot/cogs/eval.py
+++ b/bot/cogs/eval.py
@@ -97,8 +97,7 @@ class CodeEval:
             res = (res, out)
 
         else:
-            if (isinstance(out, str) and
-                    out.startswith("Traceback (most recent call last):\n")):
+            if (isinstance(out, str) and out.startswith("Traceback (most recent call last):\n")):
                 # Leave out the traceback message
                 out = "\n" + "\n".join(out.split("\n")[1:])
 
@@ -115,9 +114,9 @@ class CodeEval:
                 # Text too long, shorten
                 li = pretty.split("\n")
 
-                pretty = ("\n".join(li[:3]) +  # First 3 lines
-                          "\n ...\n" +  # Ellipsis to indicate removed lines
-                          "\n".join(li[-3:]))  # last 3 lines
+                pretty = ("\n".join(li[:3])  # First 3 lines
+                          + "\n ...\n"  # Ellipsis to indicate removed lines
+                          + "\n".join(li[-3:]))  # last 3 lines
 
             # Add the output
             res += pretty
diff --git a/bot/cogs/events.py b/bot/cogs/events.py
index 0b9b75a00..3537c850a 100644
--- a/bot/cogs/events.py
+++ b/bot/cogs/events.py
@@ -188,10 +188,10 @@ class Events:
 
     async def on_member_update(self, before: Member, after: Member):
         if (
-                before.roles == after.roles and
-                before.name == after.name and
-                before.discriminator == after.discriminator and
-                before.avatar == after.avatar):
+                before.roles == after.roles
+                and before.name == after.name
+                and before.discriminator == after.discriminator
+                and before.avatar == after.avatar):
             return
 
         before_role_names = [role.name for role in before.roles]  # type: List[str]
diff --git a/bot/cogs/filtering.py b/bot/cogs/filtering.py
index 36be78a7e..a8b5091af 100644
--- a/bot/cogs/filtering.py
+++ b/bot/cogs/filtering.py
@@ -22,7 +22,7 @@ INVITE_RE = (
     r"([a-zA-Z0-9]+)"                                 # the invite code itself
 )
 
-URL_RE = "(https?://[^\s]+)"
+URL_RE = r"(https?://[^\s]+)"
 ZALGO_RE = r"[\u0300-\u036F\u0489]"
 RETARDED_RE = r"(re+)tar+(d+|t+)(ed)?"
 SELF_DEPRECATION_RE = fr"((i'?m)|(i am)|(it'?s)|(it is)) (.+? )?{RETARDED_RE}"
diff --git a/bot/cogs/tags.py b/bot/cogs/tags.py
index cdc2861b1..a0ba7fdd1 100644
--- a/bot/cogs/tags.py
+++ b/bot/cogs/tags.py
@@ -102,13 +102,13 @@ class Tags:
         return tag_data
 
     @group(name='tags', aliases=('tag', 't'), hidden=True, invoke_without_command=True)
-    async def tags_group(self, ctx: Context, *, tag_name: TagNameConverter=None):
+    async def tags_group(self, ctx: Context, *, tag_name: TagNameConverter = None):
         """Show all known tags, a single tag, or run a subcommand."""
 
         await ctx.invoke(self.get_command, tag_name=tag_name)
 
     @tags_group.command(name='get', aliases=('show', 'g'))
-    async def get_command(self, ctx: Context, *, tag_name: TagNameConverter=None):
+    async def get_command(self, ctx: Context, *, tag_name: TagNameConverter = None):
         """
         Get a list of all tags or a specified tag.
 
diff --git a/bot/cogs/wolfram.py b/bot/cogs/wolfram.py
index aabd83f9f..c36ef6075 100644
--- a/bot/cogs/wolfram.py
+++ b/bot/cogs/wolfram.py
@@ -31,9 +31,9 @@ guildcd = commands.CooldownMapping.from_cooldown(Wolfram.guild_limit_day, 60*60*
 async def send_embed(
         ctx: Context,
         message_txt: str,
-        colour: int=Colours.soft_red,
-        footer: str=None,
-        img_url: str=None,
+        colour: int = Colours.soft_red,
+        footer: str = None,
+        img_url: str = None,
         f: discord.File = None
 ) -> None:
     """
diff --git a/bot/pagination.py b/bot/pagination.py
index cfd6287f7..0d8e8aaa3 100644
--- a/bot/pagination.py
+++ b/bot/pagination.py
@@ -95,7 +95,7 @@ class LinePaginator(Paginator):
     @classmethod
     async def paginate(cls, lines: Iterable[str], ctx: Context, embed: Embed,
                        prefix: str = "", suffix: str = "", max_lines: Optional[int] = None, max_size: int = 500,
-                       empty: bool = True, restrict_to_user: User = None, timeout: int=300,
+                       empty: bool = True, restrict_to_user: User = None, timeout: int = 300,
                        footer_text: str = None):
         """
         Use a paginator and set of reactions to provide pagination over a set of lines. The reactions are used to
@@ -129,9 +129,9 @@ class LinePaginator(Paginator):
 
             no_restrictions = (
                 # Pagination is not restricted
-                not restrict_to_user or
+                not restrict_to_user
                 # The reaction was by a whitelisted user
-                user_.id == restrict_to_user.id
+                or user_.id == restrict_to_user.id
             )
 
             return (
@@ -291,7 +291,7 @@ class ImagePaginator(Paginator):
         self.images = []
         self._pages = []
 
-    def add_line(self, line: str='', *, empty: bool=False) -> None:
+    def add_line(self, line: str = '', *, empty: bool = False) -> None:
         """
         Adds a line to each page, usually just 1 line in this context
         :param line: str to be page content / title
@@ -305,7 +305,7 @@ class ImagePaginator(Paginator):
         self._current_page.append(line)
         self.close_page()
 
-    def add_image(self, image: str=None) -> None:
+    def add_image(self, image: str = None) -> None:
         """
         Adds an image to a page
         :param image: image url to be appended
@@ -315,7 +315,7 @@ class ImagePaginator(Paginator):
 
     @classmethod
     async def paginate(cls, pages: List[Tuple[str, str]], ctx: Context, embed: Embed,
-                       prefix: str="", suffix: str="", timeout: int=300):
+                       prefix: str = "", suffix: str = "", timeout: int = 300):
         """
         Use a paginator and set of reactions to provide
         pagination over a set of title/image pairs.The reactions are
diff --git a/bot/utils/__init__.py b/bot/utils/__init__.py
index 1a902b68c..87351eaf3 100644
--- a/bot/utils/__init__.py
+++ b/bot/utils/__init__.py
@@ -35,9 +35,9 @@ async def disambiguate(
     choices = (f'{index}: {entry}' for index, entry in enumerate(entries, start=1))
 
     def check(message):
-        return (message.content.isdigit() and
-                message.author == ctx.author and
-                message.channel == ctx.channel)
+        return (message.content.isdigit()
+                and message.author == ctx.author
+                and message.channel == ctx.channel)
 
     try:
         if embed is None:
diff --git a/bot/utils/messages.py b/bot/utils/messages.py
index 63e41983b..e697b0ed6 100644
--- a/bot/utils/messages.py
+++ b/bot/utils/messages.py
@@ -13,8 +13,8 @@ MAX_SIZE = 1024 * 1024 * 8  # 8 Mebibytes
 async def wait_for_deletion(
     message: Message,
     user_ids: Sequence[Snowflake],
-    deletion_emojis: Sequence[str]=("❌",),
-    timeout: float=60 * 5,
+    deletion_emojis: Sequence[str] = ("❌",),
+    timeout: float = 60 * 5,
     attach_emojis=True,
     client=None
 ):
@@ -62,9 +62,9 @@ async def wait_for_deletion(
 
     def check(reaction, user):
         return (
-            reaction.message.id == message.id and
-            reaction.emoji in deletion_emojis and
-            user.id in user_ids
+            reaction.message.id == message.id
+            and reaction.emoji in deletion_emojis
+            and user.id in user_ids
         )
 
     with contextlib.suppress(asyncio.TimeoutError):
diff --git a/bot/utils/snakes/hatching.py b/bot/utils/snakes/hatching.py
index c37ac0f50..b9d29583f 100644
--- a/bot/utils/snakes/hatching.py
+++ b/bot/utils/snakes/hatching.py
@@ -1,36 +1,36 @@
-h1 = '''```
+h1 = r'''```
         ----
        ------
-     /--------\\
+     /--------\
      |--------|
      |--------|
       \------/
         ----```'''
 
-h2 = '''```
+h2 = r'''```
         ----
        ------
-     /---\\-/--\\
-     |-----\\--|
+     /---\-/--\
+     |-----\--|
      |--------|
       \------/
         ----```'''
 
-h3 = '''```
+h3 = r'''```
         ----
        ------
-     /---\\-/--\\
-     |-----\\--|
+     /---\-/--\
+     |-----\--|
      |-----/--|
-      \----\\-/
+      \----\-/
         ----```'''
 
-h4 = '''```
+h4 = r'''```
         -----
-       -----  \\
-     /--|  /---\\
-     |--\\  -\\---|
-     |--\\--/--  /
+       -----  \
+     /--|  /---\
+     |--\  -\---|
+     |--\--/--  /
       \------- /
         ------```'''
 
diff --git a/tox.ini b/tox.ini
index fb2176741..c6fa513f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [flake8]
 max-line-length=120
 application_import_names=bot
-exclude=.venv
+exclude=.cache,.venv
 ignore=B311,W503,E226,S311
 import-order-style=pycharm