Bump flake8 version to 3.8

This is necessary to support walrus operators.

2 files changed, 191 insertions, 173 deletions

diff --git a/Pipfile b/Pipfile
index 2d6b45aa9..4db8a238b 100644
--- a/Pipfile
+++ b/Pipfile
@@ -28,7 +28,7 @@ statsd = "~=3.3"
 
 [dev-packages]
 coverage = "~=5.0"
-flake8 = "~=3.7"
+flake8 = "~=3.8"
 flake8-annotations = "~=2.0"
 flake8-bugbear = "~=20.1"
 flake8-docstrings = "~=1.4"
diff --git a/Pipfile.lock b/Pipfile.lock
index 4b9d092d4..c8cd96d3d 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "8a53baefbbd2a0f3fbaf831f028b23d257a5e28b5efa1260661d74604f4113b8"
+            "sha256": "eab4852974d26bd2c10362540c3e01d34af62446cb4e1915ec9a0bf2bddf4d94"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -115,36 +115,36 @@
         },
         "cffi": {
             "hashes": [
-                "sha256:001bf3242a1bb04d985d63e138230802c6c8d4db3668fb545fb5005ddf5bb5ff",
-                "sha256:00789914be39dffba161cfc5be31b55775de5ba2235fe49aa28c148236c4e06b",
-                "sha256:028a579fc9aed3af38f4892bdcc7390508adabc30c6af4a6e4f611b0c680e6ac",
-                "sha256:14491a910663bf9f13ddf2bc8f60562d6bc5315c1f09c704937ef17293fb85b0",
-                "sha256:1cae98a7054b5c9391eb3249b86e0e99ab1e02bb0cc0575da191aedadbdf4384",
-                "sha256:2089ed025da3919d2e75a4d963d008330c96751127dd6f73c8dc0c65041b4c26",
-                "sha256:2d384f4a127a15ba701207f7639d94106693b6cd64173d6c8988e2c25f3ac2b6",
-                "sha256:337d448e5a725bba2d8293c48d9353fc68d0e9e4088d62a9571def317797522b",
-                "sha256:399aed636c7d3749bbed55bc907c3288cb43c65c4389964ad5ff849b6370603e",
-                "sha256:3b911c2dbd4f423b4c4fcca138cadde747abdb20d196c4a48708b8a2d32b16dd",
-                "sha256:3d311bcc4a41408cf5854f06ef2c5cab88f9fded37a3b95936c9879c1640d4c2",
-                "sha256:62ae9af2d069ea2698bf536dcfe1e4eed9090211dbaafeeedf5cb6c41b352f66",
-                "sha256:66e41db66b47d0d8672d8ed2708ba91b2f2524ece3dee48b5dfb36be8c2f21dc",
-                "sha256:675686925a9fb403edba0114db74e741d8181683dcf216be697d208857e04ca8",
-                "sha256:7e63cbcf2429a8dbfe48dcc2322d5f2220b77b2e17b7ba023d6166d84655da55",
-                "sha256:8a6c688fefb4e1cd56feb6c511984a6c4f7ec7d2a1ff31a10254f3c817054ae4",
-                "sha256:8c0ffc886aea5df6a1762d0019e9cb05f825d0eec1f520c51be9d198701daee5",
-                "sha256:95cd16d3dee553f882540c1ffe331d085c9e629499ceadfbda4d4fde635f4b7d",
-                "sha256:99f748a7e71ff382613b4e1acc0ac83bf7ad167fb3802e35e90d9763daba4d78",
-                "sha256:b8c78301cefcf5fd914aad35d3c04c2b21ce8629b5e4f4e45ae6812e461910fa",
-                "sha256:c420917b188a5582a56d8b93bdd8e0f6eca08c84ff623a4c16e809152cd35793",
-                "sha256:c43866529f2f06fe0edc6246eb4faa34f03fe88b64a0a9a942561c8e22f4b71f",
-                "sha256:cab50b8c2250b46fe738c77dbd25ce017d5e6fb35d3407606e7a4180656a5a6a",
-                "sha256:cef128cb4d5e0b3493f058f10ce32365972c554572ff821e175dbc6f8ff6924f",
-                "sha256:cf16e3cf6c0a5fdd9bc10c21687e19d29ad1fe863372b5543deaec1039581a30",
-                "sha256:e56c744aa6ff427a607763346e4170629caf7e48ead6921745986db3692f987f",
-                "sha256:e577934fc5f8779c554639376beeaa5657d54349096ef24abe8c74c5d9c117c3",
-                "sha256:f2b0fa0c01d8a0c7483afd9f31d7ecf2d71760ca24499c8697aeb5ca37dc090c"
-            ],
-            "version": "==1.14.0"
+                "sha256:267adcf6e68d77ba154334a3e4fc921b8e63cbb38ca00d33d40655d4228502bc",
+                "sha256:26f33e8f6a70c255767e3c3f957ccafc7f1f706b966e110b855bfe944511f1f9",
+                "sha256:3cd2c044517f38d1b577f05927fb9729d3396f1d44d0c659a445599e79519792",
+                "sha256:4a03416915b82b81af5502459a8a9dd62a3c299b295dcdf470877cb948d655f2",
+                "sha256:4ce1e995aeecf7cc32380bc11598bfdfa017d592259d5da00fc7ded11e61d022",
+                "sha256:4f53e4128c81ca3212ff4cf097c797ab44646a40b42ec02a891155cd7a2ba4d8",
+                "sha256:4fa72a52a906425416f41738728268072d5acfd48cbe7796af07a923236bcf96",
+                "sha256:66dd45eb9530e3dde8f7c009f84568bc7cac489b93d04ac86e3111fb46e470c2",
+                "sha256:6923d077d9ae9e8bacbdb1c07ae78405a9306c8fd1af13bfa06ca891095eb995",
+                "sha256:833401b15de1bb92791d7b6fb353d4af60dc688eaa521bd97203dcd2d124a7c1",
+                "sha256:8416ed88ddc057bab0526d4e4e9f3660f614ac2394b5e019a628cdfff3733849",
+                "sha256:892daa86384994fdf4856cb43c93f40cbe80f7f95bb5da94971b39c7f54b3a9c",
+                "sha256:98be759efdb5e5fa161e46d404f4e0ce388e72fbf7d9baf010aff16689e22abe",
+                "sha256:a6d28e7f14ecf3b2ad67c4f106841218c8ab12a0683b1528534a6c87d2307af3",
+                "sha256:b1d6ebc891607e71fd9da71688fcf332a6630b7f5b7f5549e6e631821c0e5d90",
+                "sha256:b2a2b0d276a136146e012154baefaea2758ef1f56ae9f4e01c612b0831e0bd2f",
+                "sha256:b87dfa9f10a470eee7f24234a37d1d5f51e5f5fa9eeffda7c282e2b8f5162eb1",
+                "sha256:bac0d6f7728a9cc3c1e06d4fcbac12aaa70e9379b3025b27ec1226f0e2d404cf",
+                "sha256:c991112622baee0ae4d55c008380c32ecfd0ad417bcd0417ba432e6ba7328caa",
+                "sha256:cda422d54ee7905bfc53ee6915ab68fe7b230cacf581110df4272ee10462aadc",
+                "sha256:d3148b6ba3923c5850ea197a91a42683f946dba7e8eb82dfa211ab7e708de939",
+                "sha256:d6033b4ffa34ef70f0b8086fd4c3df4bf801fee485a8a7d4519399818351aa8e",
+                "sha256:ddff0b2bd7edcc8c82d1adde6dbbf5e60d57ce985402541cd2985c27f7bec2a0",
+                "sha256:e23cb7f1d8e0f93addf0cae3c5b6f00324cccb4a7949ee558d7b6ca973ab8ae9",
+                "sha256:effd2ba52cee4ceff1a77f20d2a9f9bf8d50353c854a282b8760ac15b9833168",
+                "sha256:f90c2267101010de42f7273c94a1f026e56cbc043f9330acd8a80e64300aba33",
+                "sha256:f960375e9823ae6a07072ff7f8a85954e5a6434f97869f50d0e41649a1c8144f",
+                "sha256:fcf32bf76dc25e30ed793145a57426064520890d7c02866eb93d3e4abe516948"
+            ],
+            "version": "==1.14.1"
         },
         "chardet": {
             "hashes": [
@@ -216,49 +216,55 @@
         },
         "hiredis": {
             "hashes": [
-                "sha256:01b577f84c20ecc9c07fc4c184231b08e3c3942de096fa99978e053de231c423",
-                "sha256:01ff0900134166961c9e339df77c33b72f7edc5cb41739f0babcd9faa345926e",
-                "sha256:03ed34a13316d0c34213c4fd46e0fa3a5299073f4d4f08e93fed8c2108b399b3",
-                "sha256:040436e91df5143aff9e0debb49530d0b17a6bd52200ce568621c31ef581b10d",
-                "sha256:091eb38fbf968d1c5b703e412bbbd25f43a7967d8400842cee33a5a07b33c27b",
-                "sha256:102f9b9dc6ed57feb3a7c9bdf7e71cb7c278fe8df1edfcfe896bc3e0c2be9447",
-                "sha256:2b4b392c7e3082860c8371fab3ae762139090f9115819e12d9f56060f9ede05d",
-                "sha256:2c9cc0b986397b833073f466e6b9e9c70d1d4dc2c2c1b3e9cae3a23102ff296c",
-                "sha256:2fa65a9df683bca72073cd77709ddeb289ea2b114d3775d225fbbcc5faf808c5",
-                "sha256:38437a681f17c975fd22349e72c29bc643f8e7eb2d6dc5df419eac59afa4d7ce",
-                "sha256:3b3428fa3cf1ee178807b52c9bee8950ab94cd4eaa9bfae8c1bbae3c49501d34",
-                "sha256:3dd8c2fae7f5494978facb0e93297dd627b1a3f536f3b070cf0a7d9157a07dcb",
-                "sha256:4414a96c212e732723b5c3d7c04d386ebbb2ec359e1de646322cbc3f875cbd0d",
-                "sha256:48c627581ad4ef60adbac980981407939acf13a0e18f093502c7b542223c4f19",
-                "sha256:4a60e71625a2d78d8ab84dfb2fa2cfd9458c964b6e6c04fea76d9ade153fb371",
-                "sha256:585ace09f434e43d8a8dbeb366865b1a044d7c06319b3c7372a0a00e63b860f4",
-                "sha256:74b364b3f06c9cf0a53f7df611045bc9437ed972a283fa1f0b12537236d23ddc",
-                "sha256:75c65c3850e89e9daa68d1b9bedd5806f177d60aa5a7b0953b4829481cfc1f72",
-                "sha256:7f052de8bf744730a9120dbdc67bfeb7605a01f69fb8e7ba5c475af33c24e145",
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-                "sha256:84857ce239eb8ed191ac78e77ff65d52902f00f30f4ee83bf80eb71da73b70e6",
-                "sha256:8644a48ddc4a40b3e3a6b9443f396c2ee353afb2d45656c4fc68d04a82e8e3f7",
-                "sha256:936aa565e673536e8a211e43ec43197406f24cd1f290138bd143765079c8ba00",
-                "sha256:9afeb88c67bbc663b9f27385c496da056d06ad87f55df6e393e1516cfecb0461",
-                "sha256:9d62cc7880110e4f83b0a51d218f465d3095e2751fbddd34e553dbd106a929ff",
-                "sha256:a1fadd062fc8d647ff39220c57ea2b48c99bb73f18223828ec97f88fc27e7898",
-                "sha256:a7754a783b1e5d6f627c19d099b178059c62f782ab62b4d8ba165b9fbc2ee34c",
-                "sha256:aa59dd63bb3f736de4fc2d080114429d5d369dfb3265f771778e8349d67a97a4",
-                "sha256:ae2ee0992f8de249715435942137843a93db204dd7db1e7cc9bdc5a8436443e8",
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-                "sha256:d0caf98dfb8af395d6732bd16561c0a2458851bea522e39f12f04802dbf6f502",
-                "sha256:d6456afeddba036def1a36d8a2758eca53202308d83db20ab5d0b66590919627",
-                "sha256:dbaef9a21a4f10bc281684ee4124f169e62bb533c2a92b55f8c06f64f9af7b8f",
-                "sha256:dce84916c09aaece006272b37234ae84a8ed13abb3a4d341a23933b8701abfb5",
-                "sha256:eb8c9c8b9869539d58d60ff4a28373a22514d40495911451343971cb4835b7a9",
-                "sha256:efc98b14ee3a8595e40b1425e8d42f5fd26f11a7b215a81ef9259068931754f4",
-                "sha256:fa2dc05b87d97acc1c6ae63f3e0f39eae5246565232484b08db6bf2dc1580678",
-                "sha256:fe7d6ce9f6a5fbe24f09d95ea93e9c7271abc4e1565da511e1449b107b4d7848"
+                "sha256:06a039208f83744a702279b894c8cf24c14fd63c59cd917dcde168b79eef0680",
+                "sha256:0a909bf501459062aa1552be1461456518f367379fdc9fdb1f2ca5e4a1fdd7c0",
+                "sha256:18402d9e54fb278cb9a8c638df6f1550aca36a009d47ecf5aa263a38600f35b0",
+                "sha256:1e4cbbc3858ec7e680006e5ca590d89a5e083235988f26a004acf7244389ac01",
+                "sha256:23344e3c2177baf6975fbfa361ed92eb7d36d08f454636e5054b3faa7c2aff8a",
+                "sha256:289b31885b4996ce04cadfd5fc03d034dce8e2a8234479f7c9e23b9e245db06b",
+                "sha256:2c1c570ae7bf1bab304f29427e2475fe1856814312c4a1cf1cd0ee133f07a3c6",
+                "sha256:2c227c0ed371771ffda256034427320870e8ea2e4fd0c0a618c766e7c49aad73",
+                "sha256:3bb9b63d319402cead8bbd9dd55dca3b667d2997e9a0d8a1f9b6cc274db4baee",
+                "sha256:3ef2183de67b59930d2db8b8e8d4d58e00a50fcc5e92f4f678f6eed7a1c72d55",
+                "sha256:43b8ed3dbfd9171e44c554cb4acf4ee4505caa84c5e341858b50ea27dd2b6e12",
+                "sha256:47bcf3c5e6c1e87ceb86cdda2ee983fa0fe56a999e6185099b3c93a223f2fa9b",
+                "sha256:5263db1e2e1e8ae30500cdd75a979ff99dcc184201e6b4b820d0de74834d2323",
+                "sha256:5b1451727f02e7acbdf6aae4e06d75f66ee82966ff9114550381c3271a90f56c",
+                "sha256:6996883a8a6ff9117cbb3d6f5b0dcbbae6fb9e31e1a3e4e2f95e0214d9a1c655",
+                "sha256:6c96f64a54f030366657a54bb90b3093afc9c16c8e0dfa29fc0d6dbe169103a5",
+                "sha256:7332d5c3e35154cd234fd79573736ddcf7a0ade7a986db35b6196b9171493e75",
+                "sha256:7885b6f32c4a898e825bb7f56f36a02781ac4a951c63e4169f0afcf9c8c30dfb",
+                "sha256:7b0f63f10a166583ab744a58baad04e0f52cfea1ac27bfa1b0c21a48d1003c23",
+                "sha256:819f95d4eba3f9e484dd115ab7ab72845cf766b84286a00d4ecf76d33f1edca1",
+                "sha256:8968eeaa4d37a38f8ca1f9dbe53526b69628edc9c42229a5b2f56d98bb828c1f",
+                "sha256:89ebf69cb19a33d625db72d2ac589d26e936b8f7628531269accf4a3196e7872",
+                "sha256:8daecd778c1da45b8bd54fd41ffcd471a86beed3d8e57a43acf7a8d63bba4058",
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+                "sha256:964f18a59f5a64c0170f684c417f4fe3e695a536612e13074c4dd5d1c6d7c882",
+                "sha256:969843fbdfbf56cdb71da6f0bdf50f9985b8b8aeb630102945306cf10a9c6af2",
+                "sha256:996021ef33e0f50b97ff2d6b5f422a0fe5577de21a8873b58a779a5ddd1c3132",
+                "sha256:9e9c9078a7ce07e6fce366bd818be89365a35d2e4b163268f0ca9ba7e13bb2f6",
+                "sha256:a04901757cb0fb0f5602ac11dda48f5510f94372144d06c2563ba56c480b467c",
+                "sha256:a7bf1492429f18d205f3a818da3ff1f242f60aa59006e53dee00b4ef592a3363",
+                "sha256:aa0af2deb166a5e26e0d554b824605e660039b161e37ed4f01b8d04beec184f3",
+                "sha256:abfb15a6a7822f0fae681785cb38860e7a2cb1616a708d53df557b3d76c5bfd4",
+                "sha256:b253fe4df2afea4dfa6b1fa8c5fef212aff8bcaaeb4207e81eed05cb5e4a7919",
+                "sha256:b27f082f47d23cffc4cf1388b84fdc45c4ef6015f906cd7e0d988d9e35d36349",
+                "sha256:b33aea449e7f46738811fbc6f0b3177c6777a572207412bbbf6f525ffed001ae",
+                "sha256:b44f9421c4505c548435244d74037618f452844c5d3c67719d8a55e2613549da",
+                "sha256:bcc371151d1512201d0214c36c0c150b1dc64f19c2b1a8c9cb1d7c7c15ebd93f",
+                "sha256:c2851deeabd96d3f6283e9c6b26e0bfed4de2dc6fb15edf913e78b79fc5909ed",
+                "sha256:cdfd501c7ac5b198c15df800a3a34c38345f5182e5f80770caf362bccca65628",
+                "sha256:d2c0caffa47606d6d7c8af94ba42547bd2a441f06c74fd90a1ffe328524a6c64",
+                "sha256:dcb2db95e629962db5a355047fb8aefb012df6c8ae608930d391619dbd96fd86",
+                "sha256:e0eeb9c112fec2031927a1745788a181d0eecbacbed941fc5c4f7bc3f7b273bf",
+                "sha256:e154891263306200260d7f3051982774d7b9ef35af3509d5adbbe539afd2610c",
+                "sha256:e2e023a42dcbab8ed31f97c2bcdb980b7fbe0ada34037d87ba9d799664b58ded",
+                "sha256:e64be68255234bb489a574c4f2f8df7029c98c81ec4d160d6cd836e7f0679390",
+                "sha256:e82d6b930e02e80e5109b678c663a9ed210680ded81c1abaf54635d88d1da298"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.0.1"
+            "version": "==1.1.0"
         },
         "humanfriendly": {
             "hashes": [
@@ -294,36 +300,40 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:06748c7192eab0f48e3d35a7adae609a329c6257495d5e53878003660dc0fec6",
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+            "version": "==4.5.2"
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@@ -532,11 +542,11 @@
         },
         "sentry-sdk": {
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         "six": {
             "hashes": [
@@ -632,13 +642,21 @@
             "index": "pypi",
             "version": "==3.3.0"
         },
+        "typing-extensions": {
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-            "version": "==1.25.9"
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         "websockets": {
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@@ -670,26 +688,26 @@
         },
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@@ -718,43 +736,43 @@
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@@ -780,11 +798,11 @@
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-                "sha256:babc81a17a5f1a63464195917e20d3e8663fb712b3633d4522dbfc407cff31b3",
-                "sha256:fcd833b415726a7a374922c95a5c47a7a4d8ea71cb4a586369c665e7476146e1"
+                "sha256:7816a5d8f65ffdf37b8e21e5b17e0fd1e492aa92638573276de066e889a22b26",
+                "sha256:8d18db74a750dd97f40b483cc3ef80d07d03f687525bad8fd83365dcd3bfd414"
             ],
             "index": "pypi",
-            "version": "==2.2.0"
+            "version": "==2.3.0"
         },
         "flake8-bugbear": {
             "hashes": [
@@ -842,11 +860,11 @@
         },
         "identify": {
             "hashes": [
-                "sha256:c4d07f2b979e3931894170a9e0d4b8281e6905ea6d018c326f7ffefaf20db680",
-                "sha256:dac33eff90d57164e289fb20bf4e131baef080947ee9bf45efcd0da8d19064bf"
+                "sha256:110ed090fec6bce1aabe3c72d9258a9de82207adeaa5a05cd75c635880312f9a",
+                "sha256:ccd88716b890ecbe10920659450a635d2d25de499b9a638525a48b48261d989b"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.4.21"
+            "version": "==1.4.25"
         },
         "mccabe": {
             "hashes": [
@@ -950,11 +968,11 @@
         },
         "virtualenv": {
             "hashes": [
-                "sha256:c11a475400e98450403c0364eb3a2d25d42f71cf1493da64390487b666de4324",
-                "sha256:e10cc66f40cbda459720dfe1d334c4dc15add0d80f09108224f171006a97a172"
+                "sha256:688a61d7976d82b92f7906c367e83bb4b3f0af96f8f75bfcd3da95608fe8ac6c",
+                "sha256:8f582a030156282a9ee9d319984b759a232b07f86048c1d6a9e394afa44e78c8"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.0.26"
+            "version": "==20.0.28"
         }
     }
 }