2020-09-20T18:18:24,273 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 Please upgrade your Python as Python 3.5 is no longer maintained.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.
2020-09-20T18:18:24,928 Created temporary directory: /tmp/pip-ephem-wheel-cache-guk9l3nt
2020-09-20T18:18:24,933 Created temporary directory: /tmp/pip-req-tracker-0ondc7pj
2020-09-20T18:18:24,934 Initialized build tracking at /tmp/pip-req-tracker-0ondc7pj
2020-09-20T18:18:24,934 Created build tracker: /tmp/pip-req-tracker-0ondc7pj
2020-09-20T18:18:24,935 Entered build tracker: /tmp/pip-req-tracker-0ondc7pj
2020-09-20T18:18:24,936 Created temporary directory: /tmp/pip-wheel-gun7t4_8
2020-09-20T18:18:24,954 1 location(s) to search for versions of pure-interface:
2020-09-20T18:18:24,954 * https://pypi.org/simple/pure-interface/
2020-09-20T18:18:24,955 Fetching project page and analyzing links: https://pypi.org/simple/pure-interface/
2020-09-20T18:18:24,957 Getting page https://pypi.org/simple/pure-interface/
2020-09-20T18:18:24,961 Found index url https://pypi.org/simple
2020-09-20T18:18:25,268   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
2020-09-20T18:18:25,269   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
2020-09-20T18:18:25,270   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
2020-09-20T18:18:25,271   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
2020-09-20T18:18:25,272   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
2020-09-20T18:18:25,273   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
2020-09-20T18:18:25,274   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
2020-09-20T18:18:25,275   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
2020-09-20T18:18:25,276   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
2020-09-20T18:18:25,277   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
2020-09-20T18:18:25,278   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
2020-09-20T18:18:25,279   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
2020-09-20T18:18:25,280   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
2020-09-20T18:18:25,281   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
2020-09-20T18:18:25,282   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
2020-09-20T18:18:25,283   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
2020-09-20T18:18:25,284   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
2020-09-20T18:18:25,284   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
2020-09-20T18:18:25,293   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
2020-09-20T18:18:25,294   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
2020-09-20T18:18:25,295   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
2020-09-20T18:18:25,296   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
2020-09-20T18:18:25,298   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
2020-09-20T18:18:25,299   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
2020-09-20T18:18:25,300   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
2020-09-20T18:18:25,301   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
2020-09-20T18:18:25,302   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
2020-09-20T18:18:25,303   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
2020-09-20T18:18:25,304   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
2020-09-20T18:18:25,305   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
2020-09-20T18:18:25,306   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
2020-09-20T18:18:25,307   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
2020-09-20T18:18:25,309   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
2020-09-20T18:18:25,310   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
2020-09-20T18:18:25,311   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
2020-09-20T18:18:25,312   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
2020-09-20T18:18:25,313   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
2020-09-20T18:18:25,314   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
2020-09-20T18:18:25,315   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
2020-09-20T18:18:25,316   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
2020-09-20T18:18:25,318   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
2020-09-20T18:18:25,319   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
2020-09-20T18:18:25,320   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
2020-09-20T18:18:25,321   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
2020-09-20T18:18:25,322   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
2020-09-20T18:18:25,323   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
2020-09-20T18:18:25,327   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
2020-09-20T18:18:25,331   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
2020-09-20T18:18:25,336   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
2020-09-20T18:18:25,340   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
2020-09-20T18:18:25,344   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
2020-09-20T18:18:25,348   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
2020-09-20T18:18:25,374 Given no hashes to check 2 links for project 'pure-interface': discarding no candidates
2020-09-20T18:18:25,380 Using version 3.1.0 (newest of versions: 3.1.0)
2020-09-20T18:18:25,388 Collecting pure-interface==3.1.0
2020-09-20T18:18:25,392   Created temporary directory: /tmp/pip-unpack-2i4azj1j
2020-09-20T18:18:25,486   Downloading pure_interface-3.1.0-py2.py3-none-any.whl (24 kB)
2020-09-20T18:18:25,501   Added pure-interface==3.1.0 from https://files.pythonhosted.org/packages/0d/ec/cd9ebbb195dca2bc6b3331fdfe4ca135d788f2fad57d7e307b3205e6a69f/pure_interface-3.1.0-py2.py3-none-any.whl#sha256=2899cd4d693fb77e5d82488ace3b14ba577fb282ac213f3d010479b59e5e45c4 to build tracker '/tmp/pip-req-tracker-0ondc7pj'
2020-09-20T18:18:25,503   Removed pure-interface==3.1.0 from https://files.pythonhosted.org/packages/0d/ec/cd9ebbb195dca2bc6b3331fdfe4ca135d788f2fad57d7e307b3205e6a69f/pure_interface-3.1.0-py2.py3-none-any.whl#sha256=2899cd4d693fb77e5d82488ace3b14ba577fb282ac213f3d010479b59e5e45c4 from build tracker '/tmp/pip-req-tracker-0ondc7pj'
2020-09-20T18:18:25,509   Saved /tmp/tmp7inpm_u_/pure_interface-3.1.0-py2.py3-none-any.whl
2020-09-20T18:18:25,527 Skipping pure-interface, due to already being wheel.
2020-09-20T18:18:25,528 Removed build tracker: '/tmp/pip-req-tracker-0ondc7pj'