From 783fba7151cbd3eea0b9c9f52b56ef4b7b6af10d Mon Sep 17 00:00:00 2001
From: Aron Fyodor Asor <191955+aronasorman@users.noreply.github.com>
Date: Thu, 21 Mar 2019 11:52:14 -0700
Subject: [PATCH 1/2] add backoff dependency

---
 Pipfile      |   1 +
 Pipfile.lock | 614 ++++++++++++++++++++++++++-------------------------
 2 files changed, 314 insertions(+), 301 deletions(-)

diff --git a/Pipfile b/Pipfile
index b1dc3734cc..700a61bcb3 100644
--- a/Pipfile
+++ b/Pipfile
@@ -59,6 +59,7 @@ wordcloud = "==1.5.0"
 "oauth2client" = "*"
 django-mathfilters = "*"
 python-pptx = "*"
+backoff = "*"
 
 [dev-packages]
 ipdb = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 8f8e149912..dd49a485da 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "fa3f3928708f2b9e589c35fcd686963b4fe78d544819e05f9daebd29d2d1062a"
+            "sha256": "b237086fb4d8555b25e6587e75465419a9ef5da9ec5b339b96d7b23461a29211"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -25,10 +25,10 @@
         },
         "amqp": {
             "hashes": [
-                "sha256:16056c952e8029ce8db097edf0d7c2fe2ba9de15d30ba08aee2c5221273d8e23",
-                "sha256:6816eed27521293ee03aa9ace300a07215b11fee4e845588a9b863a7ba30addb"
+                "sha256:043beb485774ca69718a35602089e524f87168268f0d1ae115f28b88d27f92d7",
+                "sha256:35a3b5006ca00b21aaeec8ceea07130f07b902dd61bfe42815039835f962f5f1"
             ],
-            "version": "==2.4.1"
+            "version": "==2.4.2"
         },
         "argh": {
             "hashes": [
@@ -44,6 +44,14 @@
             ],
             "version": "==2.6.0"
         },
+        "backoff": {
+            "hashes": [
+                "sha256:c7187f15339e775aec926dc6e5e42f8a3ad7d3c2b9a6ecae7b535000f70cd838",
+                "sha256:d340bb6f36d025c04214b8925112d8456970e5f28dda46e4f1133bf5c622cb0a"
+            ],
+            "index": "pypi",
+            "version": "==1.8.0"
+        },
         "backports.functools-lru-cache": {
             "hashes": [
                 "sha256:9d98697f088eb1b0fa451391f91afb5e3ebde16bbdb272819fd091151fda4f1a",
@@ -68,17 +76,17 @@
         },
         "boto3": {
             "hashes": [
-                "sha256:50d8bcf0b25719963cd6aa4ee1e95a24d642a78427fe90a5cdc5a32e5e05fab3",
-                "sha256:9ccd57a0884d8d827a2e0107f1d38677efa47fb0892e1bfab331333c461d8898"
+                "sha256:74a7cdbe0404498f7bf6a59968cabb3f9a30e349a58201301cdd82bbdb66c5bd",
+                "sha256:dcd56fffca3a22a06c7bbba820cc2643f039e8b60dbae9a59b8fb804745e2c04"
             ],
-            "version": "==1.9.87"
+            "version": "==1.9.118"
         },
         "botocore": {
             "hashes": [
-                "sha256:9914810e0b6145f3d6673adfb7612d22f92a422e8bdf763c3256316230d23a64",
-                "sha256:c12ddc6dc32933cab30d8904395c3bd209563b6b9ed7d9cbbe658c1d442639e2"
+                "sha256:6f89ccad473451959337d52b3d6b98c6ba5da1059fb61156b427ddcea704e8b7",
+                "sha256:8364e8956e0b6e7394eda1fbfc321db02dfd6c84f878dff717b918dd0cf7a73e"
             ],
-            "version": "==1.12.87"
+            "version": "==1.12.118"
         },
         "cachetools": {
             "hashes": [
@@ -97,10 +105,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.3.9"
         },
         "chardet": {
             "hashes": [
@@ -140,10 +148,10 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:33cd704aea07b4c28b3eb2c97d288a06918275dac0ecebdaf1bc8a48d98adb9e",
-                "sha256:cabb249f4710888a2fc0e13e9a16c343d932033718ff62e1e9bc93a9d3a9122b"
+                "sha256:86156361c50488b84a3f148056ea716ca587df2f0de1d34750d35c21312725de",
+                "sha256:f069f3a01830ca754ba5258fde2278454a0b5b79e0d7f5c13b3b97e57d4acff6"
             ],
-            "version": "==4.3.2"
+            "version": "==4.4.0"
         },
         "django": {
             "hashes": [
@@ -186,10 +194,10 @@
         },
         "django-js-asset": {
             "hashes": [
-                "sha256:30149158206f693a5d027fe590096fc84495486bd11cd77d395b4f2ec27fc1d0",
-                "sha256:a395d8d19eb201ea8d2bd4f145b38f1717cd74c0f609f040141d8724c5a27f36"
+                "sha256:8ec12017f26eec524cab436c64ae73033368a372970af4cf42d9354fcb166bdd",
+                "sha256:c163ae80d2e0b22d8fb598047cd0dcef31f81830e127cfecae278ad574167260"
             ],
-            "version": "==1.1.0"
+            "version": "==1.2.2"
         },
         "django-js-reverse": {
             "hashes": [
@@ -309,10 +317,10 @@
                 "grpc"
             ],
             "hashes": [
-                "sha256:85693e163a1a6faea69a74f8feaf35d54dfa2559fbdbbe389c93ffb3bb4c9a79",
-                "sha256:eea2d223f7bdc6d68dd1c4681e17cded5a00b5a8e686e1597b89f27f58cf2980"
+                "sha256:25e20c24395439dffcdb6e364cc6adb9b28a9e28d516ef5a51b9266ae0894a44",
+                "sha256:b1fce5000657dfa4d2ed3a7c94addf9c74fc3e632c7b0e8611b0e8519d1e610a"
             ],
-            "version": "==1.7.0"
+            "version": "==1.8.1"
         },
         "google-api-python-client": {
             "hashes": [
@@ -324,10 +332,10 @@
         },
         "google-auth": {
             "hashes": [
-                "sha256:b6081ba9946828d6417c15ecdc723fdb7c007cdd74e140747d3876a7440f0be5",
-                "sha256:e8d64e9bc8cb6f0fc5360c693f86dc9ee6964081ee702e3b5ddc937f99efc950"
+                "sha256:0f7c6a64927d34c1a474da92cfc59e552a5d3b940d3266606c6a28b72888b9e4",
+                "sha256:20705f6803fd2c4d1cc2dcb0df09d4dfcb9a7d51fd59e94a3a28231fd93119ed"
             ],
-            "version": "==1.6.2"
+            "version": "==1.6.3"
         },
         "google-auth-httplib2": {
             "hashes": [
@@ -361,11 +369,11 @@
         },
         "google-cloud-storage": {
             "hashes": [
-                "sha256:0abd8ed57f041e4d85490054acd9af647eb7ffedece27433ba23a5c8391c00b3",
-                "sha256:f8884619fed4c77234c7293939be5a696869f61a5dc2ca47193cff630cee179f"
+                "sha256:a3115c22a71e2f172fade72c7b7b797a071f3ac9b66043191fc84c214ba0c671",
+                "sha256:aef243b533144c11c9ff750565c43dffe5445debb143697002edb6205f64a437"
             ],
             "index": "pypi",
-            "version": "==1.13.2"
+            "version": "==1.14.0"
         },
         "google-resumable-media": {
             "hashes": [
@@ -376,43 +384,46 @@
         },
         "googleapis-common-protos": {
             "hashes": [
-                "sha256:6de6de98e895f4266caefa768778533bdea98abbead6972d35c8a0f57409eea2"
+                "sha256:d56ca712f67fff216d3be9eeeb8360ca59066d0365ba70b137b9e1801813747e"
             ],
-            "version": "==1.5.6"
+            "version": "==1.5.8"
         },
         "grpcio": {
             "hashes": [
-                "sha256:0134bab8e8d16b195547f9216517b3abcd3e4b6b1f5a1c8940099888003287ac",
-                "sha256:084d4a5f34a671bd0ec4668d3a7a3351015de81e6d4aef6710d9dab026def8cc",
-                "sha256:1ab29724526d8651c8b878257775e17cf3fba7474c01edc76ff8bcfecf570f91",
-                "sha256:1bd017ca22a126af0d7d67b4140b427ae58fd6d79dbd277e6f21be3ee0fdfef7",
-                "sha256:25e7b619973e20d8f2cf05d6af0f2e11263a8792b99c058a5b590ef7aef554b8",
-                "sha256:2e836e6092e6639cc9edb486f27c6fe078408aac54ed345c5762edcf8588d9c2",
-                "sha256:34870eb5d157fe9639f263f0bfe0bcdc1737a6c08181ce113585f6461f37c84b",
-                "sha256:424c8f0748935932d28531ce6d817a11914dfb385b86fe815297f122cd04d592",
-                "sha256:43c42570f769748982c61a249e01eec5f91149e2aa98438c893de64e649d562b",
-                "sha256:4f845d13ecff25012fc9c7f22067fca1d2b3da3f693da146ddcc587fdab3e7b4",
-                "sha256:614de7d6672eb023c08dde70b103efa9faacf86ac63b2a24f8d74b064a86f6f0",
-                "sha256:6c5956292692f385bb12b5f47afd70ae9469d2ee07a949c94aef2946020c1300",
-                "sha256:7030674682433a5cbc069cd5a5fbcdf193c8a3680dc161cd7b984f72ab609f23",
-                "sha256:77fff21bee2d3c3487891cdb69b35190deddac609e48c05262e1097f0b2cd82a",
-                "sha256:8ac64f3e17e6a13abf9628f0ba22012c948d7ab400592510fed3c62444bdcc0d",
-                "sha256:8fdfa8129e1ab2cdf053956dd07b21ccc127c8a8f0c5b83ff60987c009ddb636",
-                "sha256:8ff4935abf61206479dd42c56aba0f6c395aebb5c42b29b1f7c2faae41ad979c",
-                "sha256:9af47d0f4137a2951b73ee592bdc5690b242cfe81cdfacba1b34becbf72a0d59",
-                "sha256:9da5b3c883621afca008d2c5729ddd7f06153f5dcaae1f690bead9b9018a3594",
-                "sha256:abe825aa49e6239d5edf4e222c44170d2c7f6f4b1fd5286b4756a62d8067e112",
-                "sha256:c8330efa27af2b65aa556a66517ba6657a13e259670ad32dec1b6ff3d6616c3c",
-                "sha256:dc3d09abe7b49e84516b53920320d0f0d05587f6398431e50d6a47bd7d27a8b6",
-                "sha256:deb08edefef880609f8bd2945764f31d577785ff3f2daea7027b67432ff12f74",
-                "sha256:e019c86f55cdcd2bbc239beab14167f2e03ee92407c7c42ddf42edf6f5640cce",
-                "sha256:eb0d154c4749458353fbb5a55b39de7aa8445617c20d200729f924be125c56d0",
-                "sha256:eed5edb8f2620ad1157c8c5786809fb0a2d885969287a758752ce514274e3be0",
-                "sha256:f7a9fc2dfbbc0e838c79f908262638fb86ab326b0fbc0ea2c3dd063b3561e9e2",
-                "sha256:f9df2e626f1a8d8114a9dc05a489bdf26a8e926fbbe43112669700f25fe0abb3"
-            ],
-            "markers": "extra == 'grpc'",
-            "version": "==1.18.0"
+                "sha256:07c7f7b251b26ef94e29d2c19245e34d4d05897325a289b31de3b6a5e16fbd6c",
+                "sha256:2ddbca16c2e7b3f2ffc6e34c7cfa6886fb01de9f156ad3f77b72ad652d632097",
+                "sha256:30d84f9684b4c81ee37906bb303a84435948c2dd3db55d3ef38f8daf28bc6ea3",
+                "sha256:316e6c79fb1585b23ae100ee26f6ffefa91a21e4d39588fa42efadd7f20c7225",
+                "sha256:400abff9a772351fff72d5698c8758b837bec3d7f4ed93de70bae744d8f63f53",
+                "sha256:4ed90a256f6f8690b5c95b9d4f2e9fe6513628f3674e9068e10637e50c2f93d6",
+                "sha256:51fd87ff610ca2f483c668c3fa7f70d479bffb3c14805d2065b51194edea5e26",
+                "sha256:5569aba69041530e04eff3d40536027db8851f4e11e6282849b9fc5b1855075d",
+                "sha256:566b752e36cdcd5a4d38f292aca4c8e3095f13cfe82606e010d67749cacba341",
+                "sha256:5817f970fbfed72a6203ff96349e796d8f6ff3ce85b58af241c4a14190d9f4d1",
+                "sha256:5a97bb5a4af16f840f1211dbe66d61592f02110f286d96e67bf6006d7f96aab7",
+                "sha256:5d57e41c913152b215eda070955b3544bdf20ed2327e5e5eed3005186220ebd0",
+                "sha256:6cec17145978cef3d20093cdc05e88da597ce05076db566a66a35b9c55d416a3",
+                "sha256:6ef7ab9b6ba09ce087ddb3b27f12504f50efdbf5d319b8b23173478765452301",
+                "sha256:756c0d65e4ebce1c47787dbb48955864f2a768e1df76902f33d3e4062c209f3e",
+                "sha256:828d13f0edd27f452af7fc23093c8a2d63d8fbd92595dbd0f698c78b13af9bdb",
+                "sha256:8cf02c4e07520be61ad8b59b0043771ef2af666cb73066516eabfee562a28df4",
+                "sha256:919dfe84d22ce2e2ae81d82238586d7c2a86714fb0b6cf9b437e336851e3c32d",
+                "sha256:b04a061280b06cdc4e68c4147a0f46b98c395cf62f0c6df4fa2a30a083cdc333",
+                "sha256:b2dbe7d2f9685bdbb4415f8e475dd96b1b1776193b7286705f90490c3f039037",
+                "sha256:b60df7cbc3e77c39d5befe6a1e6e4213f3ca683d743ff7c1622b1d4412245a55",
+                "sha256:b740681332b5a042b9e22246a3cdbfc3d644cf73d38e117f20ad9d8deab8f1a5",
+                "sha256:ba434873945d5d4542589674cb60c43a1cf76b2b5f0c0f759aa76d499055722f",
+                "sha256:bcb44cd53beccc92c730254ad3d50715b67a7432e693961b566d982f759b1787",
+                "sha256:be1cbb6cad1d4242e3aaa4143eabcfbf383358f6c8e9951be2c497b65561b075",
+                "sha256:c4e38326fcab5c52fd1a8c8e0f908bfe830629a5ffc60793ec5545ef913d62d2",
+                "sha256:d03c0524d5953568f74269e0faebb1e880ba9f36ca8c773be397087c35bd8188",
+                "sha256:ea897ffa80276565acdd92349ef82a768db0e3327aacd4aec82f79ca10989689",
+                "sha256:edc50e8bcd10b165f34c3cf3e1d4f97e9c71b165b85a85b91cf3444000a17692",
+                "sha256:f96a2e97df522b50da9cb3795f08199b110ceab4146bf70ea7f6a3a0213786cc",
+                "sha256:fadb649a69e3b08e01f090c24f0c8cccc122e92c362c1a1727b695a63be8416b",
+                "sha256:fbe4360ff1689a9753cbf1b27dad11e683d39117a32a64372a7c95c6abc81b81"
+            ],
+            "version": "==1.19.0"
         },
         "gspread": {
             "hashes": [
@@ -439,9 +450,9 @@
         },
         "httplib2": {
             "hashes": [
-                "sha256:f61fb838a94ce3b349aa32c92fd8430f7e3511afdb18bf9640d647e30c90a6d6"
+                "sha256:4ba6b8fd77d0038769bf3c33c9a96a6f752bc4cdf739701fdcaf210121f399d4"
             ],
-            "version": "==0.12.0"
+            "version": "==0.12.1"
         },
         "idna": {
             "hashes": [
@@ -466,10 +477,10 @@
         },
         "jmespath": {
             "hashes": [
-                "sha256:6a81d4c9aa62caf061cb517b4d9ad1dd300374cd4706997aff9cd6aedd61fc64",
-                "sha256:f11b4461f425740a1d908e9a3f7365c3d2e569f6ca68a2ff8bc5bcd9676edd63"
+                "sha256:3720a4b1bd659dd2eecad0666459b9788813e032b83e7ba58578e48254e0a0e6",
+                "sha256:bde2aef6f44302dfb30320115b17d030798de8c4110e28d5cf6cf91a7a31074c"
             ],
-            "version": "==0.9.3"
+            "version": "==0.9.4"
         },
         "jsonfield": {
             "hashes": [
@@ -522,10 +533,10 @@
         },
         "kombu": {
             "hashes": [
-                "sha256:1ef049243aa05f29e988ab33444ec7f514375540eaa8e0b2e1f5255e81c5e56d",
-                "sha256:3c9dca2338c5d893f30c151f5d29bfb81196748ab426d33c362ab51f1e8dbf78"
+                "sha256:750579c10e4ce82636cebdaad3cfc96970b4c7c483a040bb94fb52040bc53a48",
+                "sha256:b1a68fe8a1144eab0359be6bbae5e03b6684c98b9b53de7a17ce6d64ef24e4ea"
             ],
-            "version": "==4.2.2.post1"
+            "version": "==4.4.0"
         },
         "le-utils": {
             "hashes": [
@@ -543,34 +554,34 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:0dd6589fa75d369ba06d2b5f38dae107f76ea127f212f6a7bee134f6df2d1d21",
-                "sha256:1afbac344aa68c29e81ab56c1a9411c3663157b5aee5065b7fa030b398d4f7e0",
-                "sha256:1baad9d073692421ad5dbbd81430aba6c7f5fdc347f03537ae046ddf2c9b2297",
-                "sha256:1d8736421a2358becd3edf20260e41a06a0bf08a560480d3a5734a6bcbacf591",
-                "sha256:1e1d9bddc5afaddf0de76246d3f2152f961697ad7439c559f179002682c45801",
-                "sha256:1f179dc8b2643715f020f4d119d5529b02cd794c1c8f305868b73b8674d2a03f",
-                "sha256:241fb7bdf97cb1df1edfa8f0bcdfd80525d4023dac4523a241907c8b2f44e541",
-                "sha256:2f9765ee5acd3dbdcdc0d0c79309e01f7c16bc8d39b49250bf88de7b46daaf58",
-                "sha256:312e1e1b1c3ce0c67e0b8105317323e12807955e8186872affb667dbd67971f6",
-                "sha256:3273db1a8055ca70257fd3691c6d2c216544e1a70b673543e15cc077d8e9c730",
-                "sha256:34dfaa8c02891f9a246b17a732ca3e99c5e42802416628e740a5d1cb2f50ff49",
-                "sha256:3aa3f5288af349a0f3a96448ebf2e57e17332d99f4f30b02093b7948bd9f94cc",
-                "sha256:51102e160b9d83c1cc435162d90b8e3c8c93b28d18d87b60c56522d332d26879",
-                "sha256:56115fc2e2a4140e8994eb9585119a1ae9223b506826089a3ba753a62bd194a6",
-                "sha256:69d83de14dbe8fe51dccfd36f88bf0b40f5debeac763edf9f8325180190eba6e",
-                "sha256:99fdce94aeaa3ccbdfcb1e23b34273605c5853aa92ec23d84c84765178662c6c",
-                "sha256:a7c0cd5b8a20f3093ee4a67374ccb3b8a126743b15a4d759e2a1bf098faac2b2",
-                "sha256:abe12886554634ed95416a46701a917784cb2b4c77bfacac6916681d49bbf83d",
-                "sha256:b4f67b5183bd5f9bafaeb76ad119e977ba570d2b0e61202f534ac9b5c33b4485",
-                "sha256:bdd7c1658475cc1b867b36d5c4ed4bc316be8d3368abe03d348ba906a1f83b0e",
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-                "sha256:d1e111b3ab98613115a208c1017f266478b0ab224a67bc8eac670fa0bad7d488",
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@@ -583,36 +594,36 @@
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@@ -664,10 +675,10 @@
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@@ -725,9 +736,9 @@
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@@ -803,24 +814,26 @@
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@@ -962,19 +975,19 @@
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@@ -1038,10 +1051,10 @@
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@@ -1059,10 +1072,10 @@
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@@ -1097,11 +1110,11 @@
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+                "sha256:00cf895504a7895ee433807c62094cf1e95f065843bf3acd17037c3e9a2becd4",
+                "sha256:728607e34d60456d736cc7991fd236afb828b21b82f956c5ea75f94c8414040a"
             ],
             "index": "pypi",
-            "version": "==0.4.2"
+            "version": "==0.4.3"
         },
         "sphinxcontrib-websupport": {
             "hashes": [
@@ -1170,10 +1183,10 @@
         },
         "vine": {
             "hashes": [
-                "sha256:3cd505dcf980223cfaf13423d371f2e7ff99247e38d5985a01ec8264e4f2aca1",
-                "sha256:ee4813e915d0e1a54e5c1963fde0855337f82655678540a6bc5996bca4165f76"
+                "sha256:133ee6d7a9016f177ddeaf191c1f58421a1dcc6ee9a42c58b34bed40e1d2cd87",
+                "sha256:ea4947cc56d1fd6f2095c8d543ee25dad966f78692528e68b4fada11ba3f98af"
             ],
-            "version": "==1.2.0"
+            "version": "==1.3.0"
         },
         "watchdog": {
             "hashes": [
@@ -1226,17 +1239,17 @@
         },
         "xlsxwriter": {
             "hashes": [
-                "sha256:7cc07619760641b67112dbe0df938399d4d915d9b9924bb58eb5c17384d29cc6",
-                "sha256:ae22658a0fc5b9e875fa97c213d1ffd617d86dc49bf08be99ebdac814db7bf36"
+                "sha256:de9ef46088489915eaaee00c7088cff93cf613e9990b46b933c98eb46f21b47f",
+                "sha256:df96eafc3136d9e790e35d6725b473e46ada6f585c1f6519da69b27f5c8873f7"
             ],
-            "version": "==1.1.2"
+            "version": "==1.1.5"
         },
         "youtube-dl": {
             "hashes": [
-                "sha256:34a9123e3ccb3bd6e4f7641ffe8ec63883f5401d003d64b6b11b54b3b587c67c",
-                "sha256:3856fa90540ed476533b9389dd01e950d3acd6fdce722328767b58c83c2f61a4"
+                "sha256:22657f4ab3b923ee4039a6d9b58d7d4ac215aa099b85c347fcf28e3f9ede0b56",
+                "sha256:d332e1c8c064231315e772d7231fb8a715e9f5129e10e8764571bdc892b8d87a"
             ],
-            "version": "==2019.1.30.1"
+            "version": "==2019.3.18"
         }
     },
     "develop": {
@@ -1257,10 +1270,10 @@
         },
         "aspy.yaml": {
             "hashes": [
-                "sha256:19dd2ee74f96b72a3096d78be1a872914c70982299cda137725478954870a896",
-                "sha256:5eaaacd0886e8b581f0e4ff383fb6504720bb2b3c7be17307724246261a41adf"
+                "sha256:ae249074803e8b957c83fdd82a99160d0d6d26dff9ba81ba608b42eebd7d8cd3",
+                "sha256:c7390d79f58eb9157406966201abf26da0d56c07e0ff0deadc39c8f4dbc13482"
             ],
-            "version": "==1.1.2"
+            "version": "==1.2.0"
         },
         "astroid": {
             "hashes": [
@@ -1278,10 +1291,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
-                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
+                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
+                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
             ],
-            "version": "==18.2.0"
+            "version": "==19.1.0"
         },
         "autoflake": {
             "hashes": [
@@ -1322,17 +1335,17 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.3.9"
         },
         "cfgv": {
             "hashes": [
-                "sha256:39d9055c47e3932908fe25abd5807e21dc002630db01c7a5f05738d027e2b706",
-                "sha256:41d22dd864c474f919ecb88900000d2410d640315f75bdb79b3abf9347089641"
+                "sha256:39f8475d8eca48639f900daffa3f8bd2f60a31d989df41a9f81c5ad1779a66eb",
+                "sha256:a6a4366d32799a6bfb6f577ebe113b27ba8d1bae43cb57133b1472c1c3dae227"
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-            "version": "==1.4.0"
+            "version": "==1.5.0"
         },
         "chardet": {
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@@ -1358,56 +1371,55 @@
         },
         "configparser": {
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-                "sha256:df28e045fbff307a28795b18df6ac8662be3219435560ddb068c283afab1ea7a"
+                "sha256:27594cf4fc279f321974061ac69164aaebd2749af962ac8686b20503ac0bcf2d",
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-            "markers": "python_version < '3.2'",
-            "version": "==3.7.1"
+            "markers": "python_version == '2.7'",
+            "version": "==3.7.3"
         },
         "coverage": {
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-            "version": "==4.5.2"
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+                "sha256:f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f",
+                "sha256:f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1",
+                "sha256:f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260",
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+            ],
+            "index": "pypi",
+            "version": "==4.5.3"
         },
         "decorator": {
             "hashes": [
-                "sha256:33cd704aea07b4c28b3eb2c97d288a06918275dac0ecebdaf1bc8a48d98adb9e",
-                "sha256:cabb249f4710888a2fc0e13e9a16c343d932033718ff62e1e9bc93a9d3a9122b"
+                "sha256:86156361c50488b84a3f148056ea716ca587df2f0de1d34750d35c21312725de",
+                "sha256:f069f3a01830ca754ba5258fde2278454a0b5b79e0d7f5c13b3b97e57d4acff6"
             ],
-            "version": "==4.3.2"
+            "version": "==4.4.0"
         },
         "django": {
             "hashes": [
@@ -1487,10 +1499,10 @@
         },
         "identify": {
             "hashes": [
-                "sha256:0749c74180ef0f6a3874eaa0bf89a6990a523233180e83e6f3c7c27312ac9ba3",
-                "sha256:1cf14bc0324d83a742f558051db0c2cbe15d8b9ae1c59dfefbe38935f1d1ee31"
+                "sha256:407cbb36e8b72b45cfa96a97ae13ccabca4c36557e03616958bd895dfcd3f77d",
+                "sha256:721abbbb1269fa1172799119981c22c5ace022544ce82eedc29b1b0d753baaa5"
             ],
-            "version": "==1.2.1"
+            "version": "==1.4.0"
         },
         "idna": {
             "hashes": [
@@ -1516,10 +1528,10 @@
         },
         "ipdb": {
             "hashes": [
-                "sha256:7081c65ed7bfe7737f83fa4213ca8afd9617b42ff6b3f1daf9a3419839a2a00a"
+                "sha256:dce2112557edfe759742ca2d0fee35c59c97b0cc7a05398b791079d78f1519ce"
             ],
             "index": "pypi",
-            "version": "==0.11"
+            "version": "==0.12"
         },
         "ipython": {
             "hashes": [
@@ -1538,20 +1550,19 @@
         },
         "isort": {
             "hashes": [
-                "sha256:1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af",
-                "sha256:b9c40e9750f3d77e6e4d441d8b0266cf555e7cdabdcff33c4fd06366ca761ef8",
-                "sha256:ec9ef8f4a9bc6f71eec99e1806bfa2de401650d996c59330782b89a5555c1497"
+                "sha256:18c796c2cd35eb1a1d3f012a214a542790a1aed95e29768bdcb9f2197eccbd0b",
+                "sha256:96151fca2c6e736503981896495d344781b60d18bfda78dc11b290c6125ebdb6"
             ],
             "index": "pypi",
-            "version": "==4.3.4"
+            "version": "==4.3.15"
         },
         "jedi": {
             "hashes": [
-                "sha256:571702b5bd167911fe9036e5039ba67f820d6502832285cde8c881ab2b2149fd",
-                "sha256:c8481b5e59d34a5c7c42e98f6625e633f6ef59353abea6437472c7ec2093f191"
+                "sha256:2bb0603e3506f708e792c7f4ad8fc2a7a9d9c2d292a358fbbd58da531695595b",
+                "sha256:2c6bcd9545c7d6440951b12b44d373479bf18123a401a52025cf98563fbd826c"
             ],
             "index": "pypi",
-            "version": "==0.13.2"
+            "version": "==0.13.3"
         },
         "json-rpc": {
             "hashes": [
@@ -1624,6 +1635,7 @@
                 "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
                 "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
             ],
+            "markers": "python_version <= '2.7'",
             "version": "==5.0.0"
         },
         "nodeenv": {
@@ -1634,17 +1646,17 @@
         },
         "parso": {
             "hashes": [
-                "sha256:4b8f9ed80c3a4a3191aa3261505d868aa552dd25649cb13a7d73b6b7315edf2d",
-                "sha256:5a120be2e8863993b597f1c0437efca799e90e0793c98ae5d4e34ebd00140e31"
+                "sha256:4580328ae3f548b358f4901e38c0578229186835f0fa0846e47369796dd5bcc9",
+                "sha256:68406ebd7eafe17f8e40e15a84b56848eccbf27d7c1feb89e93d8fca395706db"
             ],
-            "version": "==0.3.2"
+            "version": "==0.3.4"
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         "pathlib2": {
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                 "sha256:25199318e8cc3c25dcb45cbe084cc061051336d5a9ea2a12448d3d8cb748f742",
                 "sha256:5887121d7f7df3603bca2f710e7219f3eca0eb69e0b7cc6e0a022e155ac931a7"
             ],
-            "markers": "python_version == '2.7' or python_version == '3.3'",
+            "markers": "python_version < '3.4'",
             "version": "==2.3.3"
         },
         "pathtools": {
@@ -1655,10 +1667,10 @@
         },
         "pbr": {
             "hashes": [
-                "sha256:a7953f66e1f82e4b061f43096a4bcc058f7d3d41de9b94ac871770e8bdd831a2",
-                "sha256:d717573351cfe09f49df61906cd272abaa759b3e91744396b804965ff7bff38b"
+                "sha256:8257baf496c8522437e8a6cfe0f15e00aedc6c0e0e7c9d55eeeeab31e0853843",
+                "sha256:8c361cc353d988e4f5b998555c88098b9d5964c2e11acf7b0d21925a66bb5824"
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-            "version": "==5.1.2"
+            "version": "==5.1.3"
         },
         "pexpect": {
             "hashes": [
@@ -1677,10 +1689,10 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616",
-                "sha256:980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"
+                "sha256:19ecf9ce9db2fce065a7a0586e07cfb4ac8614fe96edf628a264b1c70116cf8f",
+                "sha256:84d306a647cc805219916e62aab89caa97a33a1dd8c342e87a37f91073cd4746"
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-            "version": "==0.8.1"
+            "version": "==0.9.0"
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         "pre-commit": {
             "hashes": [
@@ -1707,10 +1719,10 @@
         },
         "py": {
             "hashes": [
-                "sha256:bf92637198836372b520efcba9e020c330123be8ce527e535d185ed4b6f45694",
-                "sha256:e76826342cefe3c3d5f7e8ee4316b80d1dd8a300781612ddbc765c17ba25a6c6"
+                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
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             ],
-            "version": "==1.7.0"
+            "version": "==1.8.0"
         },
         "pycodestyle": {
             "hashes": [
@@ -1758,11 +1770,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:65aeaa77ae87c7fc95de56285282546cfa9c886dc8e5dc78313db1c25e21bc07",
-                "sha256:6ac6d467d9f053e95aaacd79f831dbecfe730f419c6c7022cb316b365cd9199d"
+                "sha256:592eaa2c33fae68c7d75aacf042efc9f77b27c08a6224a4f59beab8d9a420523",
+                "sha256:ad3ad5c450284819ecde191a654c09b0ec72257a2c711b9633d677c71c9850c4"
             ],
             "index": "pypi",
-            "version": "==4.2.0"
+            "version": "==4.3.1"
         },
         "pytest-cov": {
             "hashes": [
@@ -1774,11 +1786,11 @@
         },
         "pytest-django": {
             "hashes": [
-                "sha256:3d489db7c9bd18d7c154347b1bdfb82cc6b1ec8539543508b199c77e5eb2caec",
-                "sha256:87c31e53ad09ca4f061b82a9d71ad1e3e399c7a5ec9d28f7c3c38a9a9afbd027"
+                "sha256:30d773f1768e8f214a3106f1090e00300ce6edfcac8c55fd13b675fe1cbd1c85",
+                "sha256:4d3283e774fe1d40630ee58bf34929b83875e4751b525eeb07a7506996eb42ee"
             ],
             "index": "pypi",
-            "version": "==3.4.7"
+            "version": "==3.4.8"
         },
         "pytest-logging": {
             "hashes": [
@@ -1810,10 +1822,10 @@
         },
         "python-language-server": {
             "hashes": [
-                "sha256:46450805798dad2c1abe88cbf66b05db030265b232a5de456d0d3c6800edeb12"
+                "sha256:01f4b6273b62cc74cfb107a9c2123b57e43d8617b4d7c1b2afe258d2b0b24bf5"
             ],
             "index": "pypi",
-            "version": "==0.22.0"
+            "version": "==0.25.0"
         },
         "pytz": {
             "hashes": [
@@ -1824,19 +1836,19 @@
         },
         "pyyaml": {
             "hashes": [
-                "sha256:3d7da3009c0f3e783b2c873687652d83b1bbfd5c88e9813fb7e5b03c0dd3108b",
-                "sha256:3ef3092145e9b70e3ddd2c7ad59bdd0252a94dfe3949721633e41344de00a6bf",
-                "sha256:40c71b8e076d0550b2e6380bada1f1cd1017b882f7e16f09a65be98e017f211a",
-                "sha256:558dd60b890ba8fd982e05941927a3911dc409a63dcb8b634feaa0cda69330d3",
-                "sha256:a7c28b45d9f99102fa092bb213aa12e0aaf9a6a1f5e395d36166639c1f96c3a1",
-                "sha256:aa7dd4a6a427aed7df6fb7f08a580d68d9b118d90310374716ae90b710280af1",
-                "sha256:bc558586e6045763782014934bfaf39d48b8ae85a2713117d16c39864085c613",
-                "sha256:d46d7982b62e0729ad0175a9bc7e10a566fc07b224d2c79fafb5e032727eaa04",
-                "sha256:d5eef459e30b09f5a098b9cea68bebfeb268697f78d647bd255a085371ac7f3f",
-                "sha256:e01d3203230e1786cd91ccfdc8f8454c8069c91bee3962ad93b87a4b2860f537",
-                "sha256:e170a9e6fcfd19021dd29845af83bb79236068bf5fd4df3327c1be18182b2531"
+                "sha256:1adecc22f88d38052fb787d959f003811ca858b799590a5eaa70e63dca50308c",
+                "sha256:436bc774ecf7c103814098159fbb84c2715d25980175292c648f2da143909f95",
+                "sha256:460a5a4248763f6f37ea225d19d5c205677d8d525f6a83357ca622ed541830c2",
+                "sha256:5a22a9c84653debfbf198d02fe592c176ea548cccce47553f35f466e15cf2fd4",
+                "sha256:7a5d3f26b89d688db27822343dfa25c599627bc92093e788956372285c6298ad",
+                "sha256:9372b04a02080752d9e6f990179a4ab840227c6e2ce15b95e1278456664cf2ba",
+                "sha256:a5dcbebee834eaddf3fa7366316b880ff4062e4bcc9787b78c7fbb4a26ff2dd1",
+                "sha256:aee5bab92a176e7cd034e57f46e9df9a9862a71f8f37cad167c6fc74c65f5b4e",
+                "sha256:c51f642898c0bacd335fc119da60baae0824f2cde95b0330b56c0553439f0673",
+                "sha256:c68ea4d3ba1705da1e0d85da6684ac657912679a649e8868bd850d2c299cce13",
+                "sha256:e23d0cc5299223dcc37885dae624f382297717e459ea24053709675a976a3e19"
             ],
-            "version": "==3.13"
+            "version": "==5.1"
         },
         "requests": {
             "hashes": [
@@ -1848,27 +1860,27 @@
         },
         "rope": {
             "hashes": [
-                "sha256:a108c445e1cd897fe19272ab7877d172e7faf3d4148c80e7d20faba42ea8f7b2"
+                "sha256:031eb54b3eeec89f4304ede816995ed2b93a21e6fba16bd02aff10a0d6c257b7"
             ],
             "index": "pypi",
-            "version": "==0.11.0"
+            "version": "==0.12.0"
         },
         "scandir": {
             "hashes": [
-                "sha256:04b8adb105f2ed313a7c2ef0f1cf7aff4871aa7a1883fa4d8c44b5551ab052d6",
-                "sha256:1444134990356c81d12f30e4b311379acfbbcd03e0bab591de2696a3b126d58e",
-                "sha256:1b5c314e39f596875e5a95dd81af03730b338c277c54a454226978d5ba95dbb6",
-                "sha256:346619f72eb0ddc4cf355ceffd225fa52506c92a2ff05318cfabd02a144e7c4e",
-                "sha256:44975e209c4827fc18a3486f257154d34ec6eaec0f90fef0cca1caa482db7064",
-                "sha256:61859fd7e40b8c71e609c202db5b0c1dbec0d5c7f1449dec2245575bdc866792",
-                "sha256:a5e232a0bf188362fa00123cc0bb842d363a292de7126126df5527b6a369586a",
-                "sha256:c14701409f311e7a9b7ec8e337f0815baf7ac95776cc78b419a1e6d49889a383",
-                "sha256:c7708f29d843fc2764310732e41f0ce27feadde453261859ec0fca7865dfc41b",
-                "sha256:c9009c527929f6e25604aec39b0a43c3f831d2947d89d6caaab22f057b7055c8",
-                "sha256:f5c71e29b4e2af7ccdc03a020c626ede51da471173b4a6ad1e904f2b2e04b4bd"
+                "sha256:2586c94e907d99617887daed6c1d102b5ca28f1085f90446554abf1faf73123e",
+                "sha256:2ae41f43797ca0c11591c0c35f2f5875fa99f8797cb1a1fd440497ec0ae4b022",
+                "sha256:2b8e3888b11abb2217a32af0766bc06b65cc4a928d8727828ee68af5a967fa6f",
+                "sha256:2c712840c2e2ee8dfaf36034080108d30060d759c7b73a01a52251cc8989f11f",
+                "sha256:4d4631f6062e658e9007ab3149a9b914f3548cb38bfb021c64f39a025ce578ae",
+                "sha256:67f15b6f83e6507fdc6fca22fedf6ef8b334b399ca27c6b568cbfaa82a364173",
+                "sha256:7d2d7a06a252764061a020407b997dd036f7bd6a175a5ba2b345f0a357f0b3f4",
+                "sha256:8c5922863e44ffc00c5c693190648daa6d15e7c1207ed02d6f46a8dcc2869d32",
+                "sha256:92c85ac42f41ffdc35b6da57ed991575bdbe69db895507af88b9f499b701c188",
+                "sha256:b24086f2375c4a094a6b51e78b4cf7ca16c721dcee2eddd7aa6494b42d6d519d",
+                "sha256:cb925555f43060a1745d0a321cca94bcea927c50114b623d73179189a4e100ac"
             ],
             "markers": "python_version < '3.5'",
-            "version": "==1.9.0"
+            "version": "==1.10.0"
         },
         "service-factory": {
             "hashes": [
@@ -1902,10 +1914,10 @@
         },
         "sqlparse": {
             "hashes": [
-                "sha256:ce028444cfab83be538752a2ffdb56bc417b7784ff35bb9a3062413717807dec",
-                "sha256:d9cf190f51cbb26da0412247dfe4fb5f4098edb73db84e02f9fc21fdca31fed4"
+                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
+                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
             ],
-            "version": "==0.2.4"
+            "version": "==0.3.0"
         },
         "toml": {
             "hashes": [
@@ -1931,10 +1943,10 @@
         },
         "virtualenv": {
             "hashes": [
-                "sha256:58c359370401e0af817fb0070911e599c5fdc836166306b04fd0f278151ed125",
-                "sha256:729f0bcab430e4ef137646805b5b1d8efbb43fe53d4a0f33328624a84a5121f7"
+                "sha256:6aebaf4dd2568a0094225ebbca987859e369e3e5c22dc7d52e5406d504890417",
+                "sha256:984d7e607b0a5d1329425dd8845bd971b957424b5ba664729fab51ab8c11bc39"
             ],
-            "version": "==16.3.0"
+            "version": "==16.4.3"
         },
         "watchdog": {
             "hashes": [
@@ -1957,11 +1969,11 @@
         },
         "yapf": {
             "hashes": [
-                "sha256:8aa7f9abdb97b4da4d3227306b88477982daafef0a96cc41639754ca31f46d55",
-                "sha256:f2df5891481f94ddadfbf8ae8ae499080752cfb06005a31bbb102f3012f8b944"
+                "sha256:edb47be90a56ca6f3075fe24f119a22225fbd62c66777b5d3916a7e9e793891b",
+                "sha256:f58069d5e0df60c078f3f986b8a63acfda73aa6ebb7cd423f6eabd1cb06420ba"
             ],
             "index": "pypi",
-            "version": "==0.25.0"
+            "version": "==0.26.0"
         }
     }
 }

From 408ae6269115fb8587e36113c0799520cb3c07d3 Mon Sep 17 00:00:00 2001
From: Aron Fyodor Asor <191955+aronasorman@users.noreply.github.com>
Date: Wed, 20 Mar 2019 19:45:37 -0700
Subject: [PATCH 2/2] Add backoff logic to GoogleCloudStorage.exists().

---
 .../contentcuration/utils/gcs_storage.py            | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/contentcuration/contentcuration/utils/gcs_storage.py b/contentcuration/contentcuration/utils/gcs_storage.py
index e3974960b3..f0a69c0a94 100644
--- a/contentcuration/contentcuration/utils/gcs_storage.py
+++ b/contentcuration/contentcuration/utils/gcs_storage.py
@@ -2,14 +2,17 @@
 import mimetypes
 import tempfile
 
+import backoff
 from django.core.files import File
 from django.core.files.storage import Storage
+from google.cloud.exceptions import InternalServerError
 from google.cloud.storage import Client
 from google.cloud.storage.blob import Blob
 
-
 OLD_STUDIO_STORAGE_PREFIX = "/contentworkshop_content/"
 
+MAX_RETRY_TIME = 60  # seconds
+
 
 class GoogleCloudStorage(Storage):
 
@@ -47,7 +50,7 @@ def open(self, name, mode="rb", blob_object=None):
         """
         # We don't have any logic for returning the file object in write
         # so just raise an error if we get any mode other than rb
-        assert mode == "rb",\
+        assert mode == "rb", \
             ("Sorry, we can't handle any open mode other than rb."
              " Please use Storage.save() instead.")
 
@@ -71,7 +74,13 @@ def open(self, name, mode="rb", blob_object=None):
         django_file.just_downloaded = True
         return django_file
 
+    @backoff.on_exception(backoff.expo, InternalServerError, max_time=MAX_RETRY_TIME)
     def exists(self, name):
+        """
+        Check if a resource with the given name exists. Has a maximum backoff time of MAX_RETRY_TIME.
+        :param name: the name of the resource to check
+        :return: True if the resource with the name exists, or False otherwise.
+        """
         blob = self.bucket.get_blob(name)
         return blob