2020-09-20T18:44:32,102 DEPRECATION: Python 3.5 reached the end of its life on September 13th, 2020. Please upgrade your Python as Python 3.5 is no longer maintained. pip 21.0 will drop support for Python 3.5 in January 2021. pip 21.0 will remove support for this functionality.
2020-09-20T18:44:32,770 Created temporary directory: /tmp/pip-ephem-wheel-cache-vlxzq6gh
2020-09-20T18:44:32,774 Created temporary directory: /tmp/pip-req-tracker-4i58gu5v
2020-09-20T18:44:32,775 Initialized build tracking at /tmp/pip-req-tracker-4i58gu5v
2020-09-20T18:44:32,776 Created build tracker: /tmp/pip-req-tracker-4i58gu5v
2020-09-20T18:44:32,776 Entered build tracker: /tmp/pip-req-tracker-4i58gu5v
2020-09-20T18:44:32,778 Created temporary directory: /tmp/pip-wheel-ztcejz6m
2020-09-20T18:44:32,795 1 location(s) to search for versions of pure-interface:
2020-09-20T18:44:32,795 * https://pypi.org/simple/pure-interface/
2020-09-20T18:44:32,796 Fetching project page and analyzing links: https://pypi.org/simple/pure-interface/
2020-09-20T18:44:32,798 Getting page https://pypi.org/simple/pure-interface/
2020-09-20T18:44:32,802 Found index url https://pypi.org/simple
2020-09-20T18:44:33,110   Found link https://files.pythonhosted.org/packages/2d/b9/ae41e7db84a622bb91c69e978a4f4f8f4af0013e74766a93bed4d902c4c7/pure_interface-1.7.0.tar.gz#sha256=43a29aeb39d671578af36c1d382552ec3ecaaf1837f7b96de4f7ffac50e19cdd (from https://pypi.org/simple/pure-interface/), version: 1.7.0
2020-09-20T18:44:33,111   Found link https://files.pythonhosted.org/packages/79/4c/56eaeb36b7103f25642e7631e38deb307406fa82d2315b6c8b84160928d2/pure_interface-1.7.1.tar.gz#sha256=b5082f9a0407f785892bd42972c8d64d7553cf937e091f7a4598b3d25875fe1b (from https://pypi.org/simple/pure-interface/), version: 1.7.1
2020-09-20T18:44:33,112   Found link https://files.pythonhosted.org/packages/bf/85/216b571acd2d2cd06e71a43f86668dd7e854b55645cc6654e14531fd588d/pure_interface-1.7.2.tar.gz#sha256=9057822f60067d8f9e48b51cd87497f4836640d13d5e6be8fb4f2eec0f16d482 (from https://pypi.org/simple/pure-interface/), version: 1.7.2
2020-09-20T18:44:33,113   Found link https://files.pythonhosted.org/packages/95/5d/53dcbfddd7913e47e382395f7ea5edaceb101d693eff3b06adfb936d945b/pure_interface-1.7.3.tar.gz#sha256=69d123d4c0fa625570469d929fbc027a36abac9b206b968ac4ef24230864f944 (from https://pypi.org/simple/pure-interface/), version: 1.7.3
2020-09-20T18:44:33,114   Found link https://files.pythonhosted.org/packages/07/32/3f87992373556b16af188bbe0c67c795d1dd3b1bfc71e57643eedf0215fb/pure_interface-1.7.4.tar.gz#sha256=62e052ffeee16b218b907189f1ef26f228c44cbc3ae93c11b08e7d8cb3fdddcd (from https://pypi.org/simple/pure-interface/), version: 1.7.4
2020-09-20T18:44:33,115   Found link https://files.pythonhosted.org/packages/00/61/81deb150f71387ff3da82a5191e5ed526243830e2230855699498f9f634e/pure_interface-1.8.0.tar.gz#sha256=2d6658f6a49cd74b9c09830cefbb604e7fbb8aebb0c5b4ca14165acb3371d762 (from https://pypi.org/simple/pure-interface/), version: 1.8.0
2020-09-20T18:44:33,116   Found link https://files.pythonhosted.org/packages/14/12/77010b6e41a25092aacb39ccd43727c2af535aa7b5373b68fe6153186dca/pure_interface-1.9.2.tar.gz#sha256=a89af1a44f1bec1b30d45c36adfc340df36036e0ff8d2b7b1b13294cae64bba8 (from https://pypi.org/simple/pure-interface/), version: 1.9.2
2020-09-20T18:44:33,117   Found link https://files.pythonhosted.org/packages/7a/5a/92dff1bdf402d07e8966d03fc88c47a0bf5e8b2ec2c34a166edc5da4fe65/pure_interface-1.9.3.tar.gz#sha256=9b17e8f55986adfa34263df55eab409c53b9f16d1a31b22bd3fad9b478348ed9 (from https://pypi.org/simple/pure-interface/), version: 1.9.3
2020-09-20T18:44:33,118   Found link https://files.pythonhosted.org/packages/90/af/1a97564e054609e51d7ad02febd22e3fa55280f150aeaaaece2e044e2d69/pure_interface-1.9.4.tar.gz#sha256=34e0906f10097c793e5fc3b3c9daddf8860b9f75d154caa31a004171826a662a (from https://pypi.org/simple/pure-interface/), version: 1.9.4
2020-09-20T18:44:33,119   Found link https://files.pythonhosted.org/packages/b5/ed/cab5d5f72b0bc8810f8e10572c48272e195a109cb112b4075d10a83dddb2/pure_interface-1.9.5.tar.gz#sha256=b680b0aa6a7223501019ddaf983171057597ec86d6d25c4d510489f507c06651 (from https://pypi.org/simple/pure-interface/), version: 1.9.5
2020-09-20T18:44:33,120   Found link https://files.pythonhosted.org/packages/6b/9b/7cafad9e1b96180261c7f1d21d4c9f44fae1bd2280b243996be991b78138/pure_interface-1.9.6.tar.gz#sha256=ea51b493a13380aa805af9d0d01b5b97f920eed8d6ddeca2c4964ebc17e7a51d (from https://pypi.org/simple/pure-interface/), version: 1.9.6
2020-09-20T18:44:33,120   Found link https://files.pythonhosted.org/packages/db/f0/f90b78e44de52b719bc9bfbc86e2e00b12319ab8db13fb41c67bc07cd5e9/pure_interface-1.9.7.tar.gz#sha256=51c72a177489c5dea104b12f3eeaa89eca737b29247d802826b2ff3f71ea41a3 (from https://pypi.org/simple/pure-interface/), version: 1.9.7
2020-09-20T18:44:33,121   Found link https://files.pythonhosted.org/packages/11/25/c292d93e1eb1fa03c9e062678180df289d8bf18b185afd0b4bab4f162592/pure_interface-1.9.8.tar.gz#sha256=6f18a3f8b4e7b2d77b01c3546f6e5dfc4b618ffae3867617b8521739f70b1c71 (from https://pypi.org/simple/pure-interface/), version: 1.9.8
2020-09-20T18:44:33,122   Found link https://files.pythonhosted.org/packages/de/10/2e8e2ca7dd3bcf29f0384b193f7c60c9ec8c0283d78a8d515edecf5cb827/pure_interface-2.0.0.tar.gz#sha256=9286f4ff72761d17a9fbae4e03d2f7ead3e1f68a17c9b26f15b76f3018ed2e81 (from https://pypi.org/simple/pure-interface/), version: 2.0.0
2020-09-20T18:44:33,123   Found link https://files.pythonhosted.org/packages/be/d2/31ff5e754fbe5dd5bc3750cc203b63e873eb9024d0adbb039ee8314daca5/pure_interface-2.1.0.tar.gz#sha256=aa0187ca20cac8d107e44c3abe044ba44c372209d6e12e8e801fa12af6ed0a8c (from https://pypi.org/simple/pure-interface/), version: 2.1.0
2020-09-20T18:44:33,124   Found link https://files.pythonhosted.org/packages/f9/9c/cbfe43fa0a9b918547cced08b7fed63b45af6c6ab6221444f3eb90201f74/pure_interface-2.2.0.tar.gz#sha256=e01a88e71d1d49710ec2e48dcc03e6d6e9127e80f0c60c50be334faaa42fb103 (from https://pypi.org/simple/pure-interface/), version: 2.2.0
2020-09-20T18:44:33,125   Found link https://files.pythonhosted.org/packages/9e/e7/c3009f951a7ed55e1e5306601938fce814b873ad828469092d78563b9d59/pure_interface-2.2.1.tar.gz#sha256=ee5176c468faed8bfc4b391ca232557c50fe2ffb4340e233b551038f616a29f6 (from https://pypi.org/simple/pure-interface/), version: 2.2.1
2020-09-20T18:44:33,126   Found link https://files.pythonhosted.org/packages/f7/b3/a6eedd173be68d929b6bb1e6c903b7d7b7c9de9c8958fa2891ca1c16ca9d/pure_interface-3.0.0.tar.gz#sha256=631d41fa042aeeea43b5b7d4fe2c9aacc79076fdd5eec95f7319a630224f1afc (from https://pypi.org/simple/pure-interface/), version: 3.0.0
2020-09-20T18:44:33,134   Found link https://files.pythonhosted.org/packages/92/c0/77e0d89ba5632aec467d9597e1901060a2726069ec0011ea58657684c289/pure_interface-3.0.3-py2.py3-none-any.whl#sha256=d16ca9d3e1e1a421a2353e9cc9cc3df8db538e2d5016c45d13fb42cf680ad33d (from https://pypi.org/simple/pure-interface/), version: 3.0.3
2020-09-20T18:44:33,135   Found link https://files.pythonhosted.org/packages/06/d3/9a8117ba1beffd41a13f31f80d5d6034bd1ff831bd4ed5fae8f9c3ada493/pure_interface-3.0.3.tar.gz#sha256=ec48f779136215ead7f46b157bc55675909553043953d7d5fcbd8776fdea3d72 (from https://pypi.org/simple/pure-interface/), version: 3.0.3
2020-09-20T18:44:33,137   Found link https://files.pythonhosted.org/packages/f2/a7/cb4f66656fbfe7c3b7f3a8b4705bd2a4172649f753700570852787f5e2c9/pure_interface-3.0.4-py2.py3-none-any.whl#sha256=ea3018d6bedd7619a22afd8bd148dc17e23077c171a3470a1b06818a5812e4aa (from https://pypi.org/simple/pure-interface/), version: 3.0.4
2020-09-20T18:44:33,138   Found link https://files.pythonhosted.org/packages/99/a5/89b45482f60983c8dd5a034ef0f8dfd7be2d513df8a12bcef634f9acd340/pure_interface-3.0.4.tar.gz#sha256=9690a23a643414773e7bbf0430525d0bdd48517d8796ec09769998be990f9b9a (from https://pypi.org/simple/pure-interface/), version: 3.0.4
2020-09-20T18:44:33,139   Found link https://files.pythonhosted.org/packages/0d/ec/cd9ebbb195dca2bc6b3331fdfe4ca135d788f2fad57d7e307b3205e6a69f/pure_interface-3.1.0-py2.py3-none-any.whl#sha256=2899cd4d693fb77e5d82488ace3b14ba577fb282ac213f3d010479b59e5e45c4 (from https://pypi.org/simple/pure-interface/), version: 3.1.0
2020-09-20T18:44:33,140   Found link https://files.pythonhosted.org/packages/32/2c/0574fbf55505fb0df97021a7157aff1864f861e92f53478d685ba0ef3550/pure_interface-3.1.0.tar.gz#sha256=c2a443beac0e0265a9795c124554ea87bc5265fcdfe4e0371e7ed739203865cd (from https://pypi.org/simple/pure-interface/), version: 3.1.0
2020-09-20T18:44:33,141   Found link https://files.pythonhosted.org/packages/b0/f9/8a509d30b5e179ff667204a451253abe3fcd7a3e14110cc939bba8ab60b1/pure_interface-3.1.1-py2.py3-none-any.whl#sha256=44c7a60384797b7eeb2ca0fdf994d0cd70e3aba8276837816b3034565055a97d (from https://pypi.org/simple/pure-interface/), version: 3.1.1
2020-09-20T18:44:33,142   Found link https://files.pythonhosted.org/packages/d3/b0/a33914b5ee12b7a96d67dfdac56e4956fd3624cc9a0a1d6f7ff3a9161d23/pure_interface-3.1.1.tar.gz#sha256=08ba7426f67f15dffd10df0796c0e5e939cbe05eb10622a7d3cca3d1e1e55d5d (from https://pypi.org/simple/pure-interface/), version: 3.1.1
2020-09-20T18:44:33,143   Found link https://files.pythonhosted.org/packages/99/a3/add252398337bcc0c93954cde3e6048d8bce60b7fb87ab72e7675451ff30/pure_interface-3.2.0-py2.py3-none-any.whl#sha256=ab82e83f6194f079bd722af0a824bb61861e34f636b16b20269cf3bc0ee3bf38 (from https://pypi.org/simple/pure-interface/), version: 3.2.0
2020-09-20T18:44:33,144   Found link https://files.pythonhosted.org/packages/b0/c6/67058af2f198c7458c70566c6993b312c23a84ec85f6365f2de63b2d785e/pure_interface-3.2.0.tar.gz#sha256=5dbdb61c983e20b07a08db5ef3c4e1b1c3d575f61fb30edff3f6248eb7ad579f (from https://pypi.org/simple/pure-interface/), version: 3.2.0
2020-09-20T18:44:33,146   Found link https://files.pythonhosted.org/packages/fa/f9/69abbd5e1498b72e6f77a440196cda1c81a9a1b2f29a87b27bc4af877731/pure_interface-3.3.0-py2.py3-none-any.whl#sha256=c97fb10326c837a65666f27f141cc7abc96938a3f4ea14d72629ba18364a3852 (from https://pypi.org/simple/pure-interface/), version: 3.3.0
2020-09-20T18:44:33,146   Found link https://files.pythonhosted.org/packages/bf/4e/d067cc4fdf93de95930b5963ec80aab60ee76293b9ecdcf56b3292673207/pure_interface-3.3.0.tar.gz#sha256=f75820c21e508553ee267cf2873bfc67bb7d0b4bfbabbc8bbc4d00aaf7af4707 (from https://pypi.org/simple/pure-interface/), version: 3.3.0
2020-09-20T18:44:33,148   Found link https://files.pythonhosted.org/packages/0d/74/09a92888e41206373574f92c5235fb659894f2ff07e028b0464da64ecb92/pure_interface-3.3.1-py2.py3-none-any.whl#sha256=dd81854181e31e964edba09f348440a4e77ae84af634dcd471d24876d1a82614 (from https://pypi.org/simple/pure-interface/), version: 3.3.1
2020-09-20T18:44:33,149   Found link https://files.pythonhosted.org/packages/d9/0a/47bb1c4ef1e36a063ec82177b41231c261bcc47012393465b7e9bb85b7c4/pure_interface-3.3.1.tar.gz#sha256=7e875b796455dfaaf1bd03f496539524fcc1d267dedcff49260b10bc8ad7842d (from https://pypi.org/simple/pure-interface/), version: 3.3.1
2020-09-20T18:44:33,150   Found link https://files.pythonhosted.org/packages/d0/12/c2bff5b26ef15a2f374d1269d3692147345f0c04ca23cefd7b276c7c04a1/pure_interface-3.3.2-py2.py3-none-any.whl#sha256=67d6e5a47d81d72fa7bed59bf1c354e2ba391a647316cc8e6774234d9200f42a (from https://pypi.org/simple/pure-interface/), version: 3.3.2
2020-09-20T18:44:33,151   Found link https://files.pythonhosted.org/packages/ca/a6/589410951d4eda5bdcbcc51d1f2bc8fda44b7f365e4ba4d4bfd3a7cb74fe/pure_interface-3.3.2.tar.gz#sha256=8630218f16836e5c93fc9089805a94971dd00c56a67aadb391a7d79cbdac6af9 (from https://pypi.org/simple/pure-interface/), version: 3.3.2
2020-09-20T18:44:33,152   Found link https://files.pythonhosted.org/packages/18/24/89c02affa762e10d6062674a5a3eeb42ba1bec3eedcc065ca314a43d7251/pure_interface-3.4.0-py2.py3-none-any.whl#sha256=6f48062073f711b6cf4034bf1e7581fcc268c69bab24563d9b775d15da3c0f7e (from https://pypi.org/simple/pure-interface/), version: 3.4.0
2020-09-20T18:44:33,153   Found link https://files.pythonhosted.org/packages/98/19/01a34e8e253bdefef984a4ed1234f7ee1059d0d62bc7b35179c8be204478/pure_interface-3.4.0.tar.gz#sha256=77ef5a16e6c8225cf5ebdc8dfce7a5c0c02d5968490dbd686b1f26fa3361e334 (from https://pypi.org/simple/pure-interface/), version: 3.4.0
2020-09-20T18:44:33,154   Found link https://files.pythonhosted.org/packages/80/83/c9bb540c05970d43c9d8a6fddc69261b1f65c92d386b53180f301d1cf882/pure_interface-3.4.1-py2.py3-none-any.whl#sha256=c760b5552496a9b41642b9f44ea9e793d3c6d8f04c411d062e3fcb87ac5b3a78 (from https://pypi.org/simple/pure-interface/), version: 3.4.1
2020-09-20T18:44:33,155   Found link https://files.pythonhosted.org/packages/ea/b9/d364c8ce15344362691a6d74d5624deb68750356991958a8c733f464ea83/pure_interface-3.4.1.tar.gz#sha256=da10b32e69ca44c4394a553c00398694feeb8b7f50f96242d7487ee0c0854cba (from https://pypi.org/simple/pure-interface/), version: 3.4.1
2020-09-20T18:44:33,156   Found link https://files.pythonhosted.org/packages/98/ee/e094e64bc88cdd6600195de4f20438ca1284c67f251e8b0ce13936d38f10/pure_interface-3.5.0-py2.py3-none-any.whl#sha256=34de06c02f6d57e0722dd1d96119eea615f23caeb0160a284f7419cf5229166f (from https://pypi.org/simple/pure-interface/), version: 3.5.0
2020-09-20T18:44:33,157   Found link https://files.pythonhosted.org/packages/06/2d/9e30929e142e2c40a3b839114b93f8996d1ea99ccb0b53afc8250f80818c/pure_interface-3.5.0.tar.gz#sha256=bc8e68e83c3ecc1e135e1071b3f507f295bb6ef74d2c52d6dd1a96172d4e3fd6 (from https://pypi.org/simple/pure-interface/), version: 3.5.0
2020-09-20T18:44:33,159   Found link https://files.pythonhosted.org/packages/1d/e4/82406f73f2a125a679192c42e1d94f058a899044b6398ca2f1ebab7ac11f/pure_interface-3.5.1-py2.py3-none-any.whl#sha256=ce1073854079a6bce1e4ac79d5c2f257ce55c9ac88e9e9cfac30d3f2a1840c3b (from https://pypi.org/simple/pure-interface/), version: 3.5.1
2020-09-20T18:44:33,160   Found link https://files.pythonhosted.org/packages/8e/ba/d6ba5f8c927fa0bd5fd8fefa4998b4514ce2277a4fba97f0bcdd49579b7b/pure_interface-3.5.1.tar.gz#sha256=5006c943018741e7912a909be9642d8421ee0837c7b72000ef8ecd4704ee01b2 (from https://pypi.org/simple/pure-interface/), version: 3.5.1
2020-09-20T18:44:33,161   Found link https://files.pythonhosted.org/packages/69/b6/bd5967f81226ca0ee4c8f4924bc9aad1754ef26c0353f0cc0039512337ee/pure_interface-3.5.2-py2.py3-none-any.whl#sha256=fe40ff590288f5945f98c32750dd09c748016a03e407b24a2d6272e0769919c3 (from https://pypi.org/simple/pure-interface/), version: 3.5.2
2020-09-20T18:44:33,162   Found link https://files.pythonhosted.org/packages/6d/8a/b1fccd161a018b4e53810e8334d92715acc976cb442705bf972ca396fabd/pure_interface-3.5.2.tar.gz#sha256=92d6263bd4b34826ed9eeb66c74db9c552689ff2ece3c3c8ac87df2b9a3f4b29 (from https://pypi.org/simple/pure-interface/), version: 3.5.2
2020-09-20T18:44:33,163   Found link https://files.pythonhosted.org/packages/92/60/56311e191389da9fb2db6e9e60b80223acb49496a7f8fbb10cb3ff340a3b/pure_interface-3.5.3-py2.py3-none-any.whl#sha256=3b69dacb2b6af0cc2d6d071f7986e14e795870b36e0dc99ab4f866536101f10d (from https://pypi.org/simple/pure-interface/), version: 3.5.3
2020-09-20T18:44:33,164   Found link https://files.pythonhosted.org/packages/23/c8/9fc97e9a54951f223884866498f81b77b6e8fca91fbf5573f59044d0d9a2/pure_interface-3.5.3.tar.gz#sha256=98509c4f53162987e98739a1f9e841fe1f65518fdef4af2d69af983529d8d0ee (from https://pypi.org/simple/pure-interface/), version: 3.5.3
2020-09-20T18:44:33,168   Found link https://files.pythonhosted.org/packages/aa/e8/21d089d4e8b8b429cb9bfc2e4751eda43d0d51b21622a8f93d1270453714/pure_interface-4.0.0-py2.py3-none-any.whl#sha256=bc4e09b60dd415ce4f02a787d8a9633fb0e1ffb39dc4e017de6a7865b4efdb4d (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.0
2020-09-20T18:44:33,172   Found link https://files.pythonhosted.org/packages/92/8f/8d7ba1166f5466b47fa338d27179f0b69ffc390c42abe14a6ecd205dc152/pure_interface-4.0.0.tar.gz#sha256=382c9ee85c78f680798179c0dbc4e404622df064e4bbf55b3237d4f27e164ce3 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.0
2020-09-20T18:44:33,176   Found link https://files.pythonhosted.org/packages/46/40/944fd96ae47dd20a363dbddf316fdacc8d7db4cd9f928f25ec3da21f6932/pure_interface-4.0.1-py2.py3-none-any.whl#sha256=9340e9ab2bbc7af8258564696e69d97bcd5c4cc29f97e923f490bcaba1244627 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.1
2020-09-20T18:44:33,180   Found link https://files.pythonhosted.org/packages/16/62/924a96a1e4464c0eeaf0f81de172ad7226997701b1c2c757533560d5ed15/pure_interface-4.0.1.tar.gz#sha256=1b89d0222f37b7bc94146f4baebdc77f6a82217df03e18806054c3e84a104731 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.1
2020-09-20T18:44:33,185   Found link https://files.pythonhosted.org/packages/f3/6e/4778799c5cee56573bc195852b1cf4b7c41c15e0357d620d1285ce73ee81/pure_interface-4.0.2-py2.py3-none-any.whl#sha256=c04b5da143398af82fbb88775daf4c01406aeedd8a5a2ecb3690ffde1ecf4c62 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.2
2020-09-20T18:44:33,189   Found link https://files.pythonhosted.org/packages/50/6f/714f70dd1d261dbcf62a88380cbcf1853f845b1c3e2d970e6be7324e27d9/pure_interface-4.0.2.tar.gz#sha256=58faade96091d555cc8c19909b292d7a472b03a4acbdf2cb358994a5aecb0286 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.2
2020-09-20T18:44:33,215 Given no hashes to check 2 links for project 'pure-interface': discarding no candidates
2020-09-20T18:44:33,220 Using version 3.3.1 (newest of versions: 3.3.1)
2020-09-20T18:44:33,229 Collecting pure-interface==3.3.1
2020-09-20T18:44:33,233   Created temporary directory: /tmp/pip-unpack-es8z6oel
2020-09-20T18:44:33,326   Downloading pure_interface-3.3.1-py2.py3-none-any.whl (24 kB)
2020-09-20T18:44:33,342   Added pure-interface==3.3.1 from https://files.pythonhosted.org/packages/0d/74/09a92888e41206373574f92c5235fb659894f2ff07e028b0464da64ecb92/pure_interface-3.3.1-py2.py3-none-any.whl#sha256=dd81854181e31e964edba09f348440a4e77ae84af634dcd471d24876d1a82614 to build tracker '/tmp/pip-req-tracker-4i58gu5v'
2020-09-20T18:44:33,343   Removed pure-interface==3.3.1 from https://files.pythonhosted.org/packages/0d/74/09a92888e41206373574f92c5235fb659894f2ff07e028b0464da64ecb92/pure_interface-3.3.1-py2.py3-none-any.whl#sha256=dd81854181e31e964edba09f348440a4e77ae84af634dcd471d24876d1a82614 from build tracker '/tmp/pip-req-tracker-4i58gu5v'
2020-09-20T18:44:33,350   Saved /tmp/tmpsj7ikix3/pure_interface-3.3.1-py2.py3-none-any.whl
2020-09-20T18:44:33,368 Skipping pure-interface, due to already being wheel.
2020-09-20T18:44:33,369 Removed build tracker: '/tmp/pip-req-tracker-4i58gu5v'