2020-09-20T14:23:54,547 Created temporary directory: /tmp/pip-ephem-wheel-cache-kj7618je
2020-09-20T14:23:54,550 Created temporary directory: /tmp/pip-req-tracker-cwxu6x6l
2020-09-20T14:23:54,551 Initialized build tracking at /tmp/pip-req-tracker-cwxu6x6l
2020-09-20T14:23:54,551 Created build tracker: /tmp/pip-req-tracker-cwxu6x6l
2020-09-20T14:23:54,551 Entered build tracker: /tmp/pip-req-tracker-cwxu6x6l
2020-09-20T14:23:54,552 Created temporary directory: /tmp/pip-wheel-2tda8wzm
2020-09-20T14:23:54,562 1 location(s) to search for versions of s4:
2020-09-20T14:23:54,562 * https://pypi.org/simple/s4/
2020-09-20T14:23:54,563 Fetching project page and analyzing links: https://pypi.org/simple/s4/
2020-09-20T14:23:54,563 Getting page https://pypi.org/simple/s4/
2020-09-20T14:23:54,565 Found index url https://pypi.org/simple
2020-09-20T14:23:54,676   Found link https://files.pythonhosted.org/packages/3c/af/1a3a5f959e74c158a30054c6380726748d4c5a525e16f2e400794455c20a/s4-0.1.14.tar.gz#sha256=41af14c4a4d89f061ff84106592cb43842abebccb4fdb6ca0da1b27954f5b772 (from https://pypi.org/simple/s4/), version: 0.1.14
2020-09-20T14:23:54,677   Found link https://files.pythonhosted.org/packages/df/1a/59455719bef39c87805586dc8ca5b156d6fc4bc7d7a50a223be594ad0511/s4-0.1.15.tar.gz#sha256=9dae8ad332a68c2f6668347f9e2223737bd1ddf077d72ee53fae877cc7f7f6ff (from https://pypi.org/simple/s4/), version: 0.1.15
2020-09-20T14:23:54,677   Found link https://files.pythonhosted.org/packages/79/63/16db50cbf7012f4a565e905a261d99af43d34bd0bd6f28cfb9d26a01ee85/s4-0.1.16.tar.gz#sha256=1b16247e28e174fe9293ce68b4db11aa78053b97cdf3a2ead79a77e88f8b3fff (from https://pypi.org/simple/s4/), version: 0.1.16
2020-09-20T14:23:54,677   Found link https://files.pythonhosted.org/packages/c4/4e/59e9423cbb03cfb96d53dc85242f2021db2e8885cf9e313f95877ed7f3c2/s4-0.1.17.tar.gz#sha256=c9f733df3223edf4bb0466dbe9eb6cc539a81af51aca9f1ecb31238c22a87fa2 (from https://pypi.org/simple/s4/), version: 0.1.17
2020-09-20T14:23:54,678   Found link https://files.pythonhosted.org/packages/7a/8c/93231d61f1751a7076e4acd2cec8adb586783fd6c381e5e1a3044ac55375/s4-0.1.18.tar.gz#sha256=b6f0a9bc80f7f0643328695b0155f8c6574cd3c6f795d9f452a0b08d68a21a36 (from https://pypi.org/simple/s4/), version: 0.1.18
2020-09-20T14:23:54,678   Found link https://files.pythonhosted.org/packages/98/ba/35253c1e6056a4459defbe6b64513f47caa249d8795853fce4c6291ffd6c/s4-0.1.19.tar.gz#sha256=1143572a943565d4d7216bf98438515639ceeca193874b94ccab7420a894ea5a (from https://pypi.org/simple/s4/), version: 0.1.19
2020-09-20T14:23:54,678   Found link https://files.pythonhosted.org/packages/77/73/2dd6ac814cabe4c0cd7fa4009191ef4e8dcd0da9414e026ea14b42fbbe21/s4-0.1.20.tar.gz#sha256=04dd999abcd78d5389e5fd71043e643b298f474fc2afb45b3ef91dfed3299f0c (from https://pypi.org/simple/s4/), version: 0.1.20
2020-09-20T14:23:54,679   Found link https://files.pythonhosted.org/packages/42/7c/c0507b9c60f0cf37d3cf44122c6f4bd4ab37733849605b936cb92c3be98f/s4-0.1.21.tar.gz#sha256=541a583331de5c9e09041b135703fad2a2e638d0593c0e587b1568294635ec8c (from https://pypi.org/simple/s4/), version: 0.1.21
2020-09-20T14:23:54,679   Found link https://files.pythonhosted.org/packages/1a/ad/c1c9e53b6bff6986c0b39f41310816846bc566b744cf1751f0f798dd4196/s4-0.1.22.tar.gz#sha256=60c6c288b79601b7685a292ee19494c148c02df8d86bcc4a979805f497d05f11 (from https://pypi.org/simple/s4/), version: 0.1.22
2020-09-20T14:23:54,679   Found link https://files.pythonhosted.org/packages/30/85/8b89fc36db80a5f07e8e8d93882d4fd438fa34939f0fdfd9fa21f3bb5a49/s4-0.1.23.tar.gz#sha256=a6e82af04b049867f7f7be5e574ef108fea8bf33b018e911b61ec5ce06bb9617 (from https://pypi.org/simple/s4/), version: 0.1.23
2020-09-20T14:23:54,679   Found link https://files.pythonhosted.org/packages/43/3f/aace4ee88567cd969a57849d18eee584fcb10ced4d88900d8fc0b1e129e1/s4-0.1.24.tar.gz#sha256=e30ddf3b3c4c0cb12a437f94442a4ed66ab5eb705f124f6d6b9e18deb4161ba7 (from https://pypi.org/simple/s4/), version: 0.1.24
2020-09-20T14:23:54,680   Found link https://files.pythonhosted.org/packages/e2/6d/f6eab3bf3fd64996114d4655099b7bd4c5deb6c0f0a3edc1354964d708cf/s4-0.1.25.tar.gz#sha256=60fae18b337b00bd6696a769b08a7e71698e39cb43b3b46799cf102f218b7cc1 (from https://pypi.org/simple/s4/), version: 0.1.25
2020-09-20T14:23:54,680   Found link https://files.pythonhosted.org/packages/fd/19/dd814d97d56cb355ee288d532845e7825774e127d32d185c4605307b97c6/s4-0.1.26.tar.gz#sha256=3daccaddc6277ebbcbf49315f24dc512129d0a36b8a0d46b4b4856d28028aa76 (from https://pypi.org/simple/s4/), version: 0.1.26
2020-09-20T14:23:54,680   Found link https://files.pythonhosted.org/packages/37/6a/a774d057f65e89732b40d99734a4590fd08ccc99236b72206478d4ddf492/s4-0.1.27.tar.gz#sha256=0c7bfc95194cd0239c369c569940263c7c2efb5d93a45ea3611346712f5bced5 (from https://pypi.org/simple/s4/), version: 0.1.27
2020-09-20T14:23:54,681   Found link https://files.pythonhosted.org/packages/99/46/8267bbb9f23cb6534a969b78a639f3aeabcb78d9ca61f3e60b60e179031e/s4-0.1.28.tar.gz#sha256=eae206c647f272fa537b6f804c769562f4a6dd06fc931846c9b0c9e12271a46a (from https://pypi.org/simple/s4/), version: 0.1.28
2020-09-20T14:23:54,681   Found link https://files.pythonhosted.org/packages/5d/0e/f9af9c246ef877d01b9002bbabdcaef4442be5eca28acb71035e17be0bf2/s4-0.1.29.tar.gz#sha256=cd067a8a96140edef7e7bfd6bd9b820c3ddc49a3a15367dcd9a3ad686301fca8 (from https://pypi.org/simple/s4/), version: 0.1.29
2020-09-20T14:23:54,681   Found link https://files.pythonhosted.org/packages/1c/92/2066b65625e8fe0038904e19d7ddde81be7b566992f0551c80ea9687771c/s4-0.1.30.tar.gz#sha256=cbc138e26bd3a5f0d68fdcbbb41afe4c772fd76bd7fef3df11733d5ad174c951 (from https://pypi.org/simple/s4/), version: 0.1.30
2020-09-20T14:23:54,682   Found link https://files.pythonhosted.org/packages/14/0f/e7f1e1e7faa9dae8df9e3b9cccd17c153f31a2a9a16267a6f07ce04754a3/s4-0.1.31.tar.gz#sha256=7b70fdaccc7742a96b2342551e16503ecfac0b910faf42e11c04769dc5e1e34f (from https://pypi.org/simple/s4/), version: 0.1.31
2020-09-20T14:23:54,682   Found link https://files.pythonhosted.org/packages/06/00/cd8d509466d150b51565d8c4bc682d83a201d19b49339a77d8ddb8553c68/s4-0.2.0.tar.gz#sha256=3c4c5cdfb0dc79bb97f1561867aff0145cf4725d8bc2670c77abd2cf2f235fc1 (from https://pypi.org/simple/s4/), version: 0.2.0
2020-09-20T14:23:54,682   Found link https://files.pythonhosted.org/packages/39/3e/63e75a62b5a4a3b7bc8154e141eb17ed0be9ac10e3ae14f84c845aac770c/s4-0.2.1.tar.gz#sha256=d49af865b9b1ccaccfde0c82d1a4cc718dae4c479278732e38d491b62e48d9a1 (from https://pypi.org/simple/s4/), version: 0.2.1
2020-09-20T14:23:54,682   Found link https://files.pythonhosted.org/packages/aa/0e/ad0c1232e2bc992381495886631d2a93890fe8426d42730d9e608939cf74/s4-0.2.2.tar.gz#sha256=a996d08d363587aea8738cac1e16a7ff1afbe9f6391ce2026f915f26bbd13998 (from https://pypi.org/simple/s4/), version: 0.2.2
2020-09-20T14:23:54,683   Found link https://files.pythonhosted.org/packages/93/60/3ee2f72ffb241a9ddd7d4181f854024030e4ab9f097b7be95cd4d363ba2d/s4-0.2.3.tar.gz#sha256=768516ec15373779f1d9f724dcbc27b8ba85a21273cd591bf85e5fb904b507d9 (from https://pypi.org/simple/s4/), version: 0.2.3
2020-09-20T14:23:54,683   Found link https://files.pythonhosted.org/packages/df/3b/0d100bd403189ee0d453face41fb2b1a4b2e807ce57e081d37f25ba1904a/s4-0.2.4.tar.gz#sha256=59ab0b21eefe23a57a9836ffd4e365dce5a1dae16194a2abfbdfdc45a7fd5599 (from https://pypi.org/simple/s4/), version: 0.2.4
2020-09-20T14:23:54,683   Found link https://files.pythonhosted.org/packages/12/44/6a54ab69fddbdcdbc0fdabd666d51c7e3108c0c902f5eab2b198e4b11508/s4-0.2.6.tar.gz#sha256=46b343f1669a6f94eb6e8f3fbe8839d5b56d818bf93f50e46daf5d0e6b9a433b (from https://pypi.org/simple/s4/), version: 0.2.6
2020-09-20T14:23:54,684   Found link https://files.pythonhosted.org/packages/95/b2/a6a242c4a87b51dc43f2a0f988d91b11d9d49219f91bed3ed121262b9a4e/s4-0.2.7.tar.gz#sha256=fdaac3c3a0fcfab99feb1e488ce5764c5ac42c83153551a457b5a66e767b7b48 (from https://pypi.org/simple/s4/), version: 0.2.7
2020-09-20T14:23:54,684   Found link https://files.pythonhosted.org/packages/e8/15/84f16da8f526a644445ed6f12960096deae91ea4b528c32bfa362895d1d5/s4-0.2.8.tar.gz#sha256=bf59e5a8c8433d03dc1eb7972f03a9324569e856bd9cedc60ec6efa45b05c388 (from https://pypi.org/simple/s4/), version: 0.2.8
2020-09-20T14:23:54,684   Found link https://files.pythonhosted.org/packages/cb/35/4fee458b16db69cac13056bc04c7f9f461989fc5c115a2878357878b9d3b/s4-0.2.9.tar.gz#sha256=12f3fb9cd16c8fe10dc7411c78108ec21370a3d62e3a512122c004808771b8e3 (from https://pypi.org/simple/s4/), version: 0.2.9
2020-09-20T14:23:54,685   Found link https://files.pythonhosted.org/packages/ab/ae/b9358b2412a6ed9f169ed5902b5a2742f05932d6db2f4edeceab6591fcd3/s4-0.2.10.tar.gz#sha256=74187cbef8d4690c786ee70fc5b6a58312951f95b5ebb2b98724212cad5a6d0d (from https://pypi.org/simple/s4/), version: 0.2.10
2020-09-20T14:23:54,685   Found link https://files.pythonhosted.org/packages/d4/9c/7daf1a0dbbd89b71a072c70dc5ee45754fba1af4d29a4aa6191e43440263/s4-0.2.11.tar.gz#sha256=926f21f8b2c67461a7c88728f2a84ccc0e709e244a7c44cbbed3b5fe6ae2cff2 (from https://pypi.org/simple/s4/), version: 0.2.11
2020-09-20T14:23:54,685   Found link https://files.pythonhosted.org/packages/3d/73/d2042ccd5d2b3203f008bab52b8e2008b9f6a42b5acabebbb69d0541787f/s4-0.2.12.tar.gz#sha256=a4fbd3f8b57a8b95acba52a4518588bd8635ae2704e483ba0360a68947a4cc03 (from https://pypi.org/simple/s4/), version: 0.2.12
2020-09-20T14:23:54,685   Found link https://files.pythonhosted.org/packages/1c/21/bd0b1532aa522c1e82ca146ef58070ac7101ca5501c98a5e6eb79092b501/s4-0.2.13.tar.gz#sha256=4797cbcc2a3d73b3b2b1caddb714bacd2d3b455d922544ff743e70648d73fb59 (from https://pypi.org/simple/s4/), version: 0.2.13
2020-09-20T14:23:54,686   Found link https://files.pythonhosted.org/packages/4b/b2/39cee0dfdb438b505e76922af7facea96ad5ebbb5c53320e11fd78142caa/s4-0.2.14.tar.gz#sha256=af5b1dd42f934bb63773d012a84741b91f7dbd18b1788b642d71c288a4c1123b (from https://pypi.org/simple/s4/), version: 0.2.14
2020-09-20T14:23:54,686   Found link https://files.pythonhosted.org/packages/f6/ea/2f81b917359aee7842233f0d601f6f3452fa8ebaac0df3b984dbe3e4616a/S4-0.2.15.tar.gz#sha256=79388c41963d5937fe243b4ca17c66a3b3e5fd881942e848b49de2b465b04e16 (from https://pypi.org/simple/s4/), version: 0.2.15
2020-09-20T14:23:54,686   Found link https://files.pythonhosted.org/packages/c7/c6/a26e3e904242db9d15755f7949762e8e673221f778d9bca1de899745d676/S4-0.2.16.tar.gz#sha256=36c88de6908cfa21b9e9a4e85a399907d5f4bf047c0e5aad9f85632d53271667 (from https://pypi.org/simple/s4/), version: 0.2.16
2020-09-20T14:23:54,687   Found link https://files.pythonhosted.org/packages/18/ed/e4bd6aa897f8e062cbb0b00078ccebbb8bbc86c182125dd2832c65df809f/S4-0.2.18.tar.gz#sha256=c77fa88bbcd740fb9b3196412677a67a260342331c604428ee35322b423544a5 (from https://pypi.org/simple/s4/), version: 0.2.18
2020-09-20T14:23:54,692   Found link https://files.pythonhosted.org/packages/bb/3c/8fdb3a20e05c00a06abb57789b0dd6cad00f9b8213c76baf41844e0662d1/s4-0.2.19-py3-none-any.whl#sha256=27c85b5e02a186c1e3b1bf69ce17ba9a1263e551b90a7ed725c3c188418b3172 (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.2.19
2020-09-20T14:23:54,693   Found link https://files.pythonhosted.org/packages/68/fa/594b37c3500a954ebf9f8626989d3b482f24a63ee3740b9b31a5faa02068/s4-0.2.19.tar.gz#sha256=a1b1889d0be635c54325912e4d437789696d1caa6fb084500f996ca7b33c65c4 (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.2.19
2020-09-20T14:23:54,693   Found link https://files.pythonhosted.org/packages/a0/1d/fcad7c34371e1a3be169bd36ab2060efe3dab57649080a2a53c6d97655c9/s4-0.2.20-py3-none-any.whl#sha256=e0b3340b7359be2066ecf6725eeca666eaf579744bf9851dafc29e350d27826c (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.2.20
2020-09-20T14:23:54,694   Found link https://files.pythonhosted.org/packages/4b/e4/f765efca543fb9315c7807eb112ef2872de108637b222844d28a941a7f2d/s4-0.2.20.tar.gz#sha256=7f1580d4722b330b96ebe9797cb8b95182d681d49b46f94e10de6b8c23abc8ff (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.2.20
2020-09-20T14:23:54,695   Found link https://files.pythonhosted.org/packages/41/e5/a98eb971fe74bd54343705a8a74feed4fc271576e70cd997dd474141cb20/s4-0.3.0-py3-none-any.whl#sha256=1f1069ac8962a113e757921742e6ff213514ae012efcf89e6bbf681b7c8c3f4f (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.3.0
2020-09-20T14:23:54,696   Found link https://files.pythonhosted.org/packages/05/1a/06c90a7ad2ffcb59b2ad7dcfa518f5f0905a8398245ea5240ae32479bd47/s4-0.3.0.tar.gz#sha256=408d7c401bf9c58c173748947dc80b28e33b9b82be9387126fcc0c3461b95876 (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.3.0
2020-09-20T14:23:54,696   Found link https://files.pythonhosted.org/packages/4d/43/6e7dcb034af42f88d8fd8e515465fc00590a2c2c2df941f710efadb0a66b/s4-0.4.0-py3-none-any.whl#sha256=74860e7588fd844f654c982493d1cab0516b27e99f194658561cc03287c58598 (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.4.0
2020-09-20T14:23:54,697   Found link https://files.pythonhosted.org/packages/00/16/e2cce172ca42ec811bff47a305d206f02438a5d4834ae6a0b450349cb22d/s4-0.4.0.tar.gz#sha256=ef3d855f609a9e5a33d8c75af0b51684907be03a42172e1393a3930b933d6089 (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.4.0
2020-09-20T14:23:54,698   Found link https://files.pythonhosted.org/packages/99/6d/c36ed3b28cde360a9c6d9882d87200e641d91ac71ef4bc48fc45bcbfd3df/s4-0.4.1-py3-none-any.whl#sha256=f3ca26c5b6a035bd31f7debc44a67f975f4cf4b9c8720207ca0a5c498c81f1ad (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.4.1
2020-09-20T14:23:54,698   Found link https://files.pythonhosted.org/packages/0a/0c/85b6723e0f7411d8b8a708e47013981d204b6a5b37464d71f33ef5e9c8e0/s4-0.4.1.tar.gz#sha256=e19de2eb13cd3794abe20ff06ac960a0aba985ed07402f2b6e2666d8c391fe8a (from https://pypi.org/simple/s4/) (requires-python:>=3.5), version: 0.4.1
2020-09-20T14:23:54,699   Found link https://files.pythonhosted.org/packages/3d/0b/54e5338e0ffc62b172563b2438bb3990efb40efda4f5d68c5ab82b1a8266/S4-0.4.2-py2.py3-none-any.whl#sha256=e953275b3f82e7e6378415a552b30d210f3b918a06277b024be75e065fc87a5a (from https://pypi.org/simple/s4/), version: 0.4.2
2020-09-20T14:23:54,699   Found link https://files.pythonhosted.org/packages/e9/68/7a44a2892790ba2f778dedd4856f88d52bfc1c36494630efac0dd0ae42d0/S4-0.4.2.tar.gz#sha256=6630db52d66eec664a8b496f30342cda525abc84298aecb9b992dcf659343fca (from https://pypi.org/simple/s4/), version: 0.4.2
2020-09-20T14:23:54,699   Found link https://files.pythonhosted.org/packages/63/a4/316409c489e6c7100b0e29e69ea0b75b3e9486e78169f4c3011ee7b84f2b/S4-0.4.4-py2.py3-none-any.whl#sha256=33419350cba6b946be4b275b96920b96812d261408bcc6b24fa95d04bd722ab6 (from https://pypi.org/simple/s4/), version: 0.4.4
2020-09-20T14:23:54,700   Found link https://files.pythonhosted.org/packages/70/a1/c2202c7de3588d97095402d03450366045cace89c6272faaac8cb479d143/S4-0.4.4.tar.gz#sha256=c0ac4dbc2cfb90d63d296ca83547a7f856b0e166e8e22f8f659ead9f8c2b8f6f (from https://pypi.org/simple/s4/), version: 0.4.4
2020-09-20T14:23:54,708 Given no hashes to check 1 links for project 's4': discarding no candidates
2020-09-20T14:23:54,709 Using version 0.1.21 (newest of versions: 0.1.21)
2020-09-20T14:23:54,713 Collecting s4==0.1.21
2020-09-20T14:23:54,715   Created temporary directory: /tmp/pip-unpack-javm9218
2020-09-20T14:23:54,754   Downloading s4-0.1.21.tar.gz (38 kB)
2020-09-20T14:23:54,840   Added s4==0.1.21 from https://files.pythonhosted.org/packages/42/7c/c0507b9c60f0cf37d3cf44122c6f4bd4ab37733849605b936cb92c3be98f/s4-0.1.21.tar.gz#sha256=541a583331de5c9e09041b135703fad2a2e638d0593c0e587b1568294635ec8c to build tracker '/tmp/pip-req-tracker-cwxu6x6l'
2020-09-20T14:23:54,841     Running setup.py (path:/tmp/pip-wheel-2tda8wzm/s4/setup.py) egg_info for package s4
2020-09-20T14:23:54,842     Created temporary directory: /tmp/pip-pip-egg-info-tpln_q6a
2020-09-20T14:23:54,842     Running command python setup.py egg_info
2020-09-20T14:23:55,590     Traceback (most recent call last):
2020-09-20T14:23:55,591       File "<string>", line 1, in <module>
2020-09-20T14:23:55,591       File "/tmp/pip-wheel-2tda8wzm/s4/setup.py", line 10, in <module>
2020-09-20T14:23:55,592         from s4.cli import VERSION
2020-09-20T14:23:55,592       File "/tmp/pip-wheel-2tda8wzm/s4/s4/cli.py", line 10, in <module>
2020-09-20T14:23:55,592         import boto3
2020-09-20T14:23:55,593     ModuleNotFoundError: No module named 'boto3'
2020-09-20T14:23:55,639 ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2020-09-20T14:23:55,639 Exception information:
2020-09-20T14:23:55,639 Traceback (most recent call last):
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 228, in _main
2020-09-20T14:23:55,639     status = self.run(options, args)
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
2020-09-20T14:23:55,639     return func(self, options, args)
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 156, in run
2020-09-20T14:23:55,639     reqs, check_supported_wheels=True
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 183, in resolve
2020-09-20T14:23:55,639     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 388, in _resolve_one
2020-09-20T14:23:55,639     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 340, in _get_abstract_dist_for
2020-09-20T14:23:55,639     abstract_dist = self.preparer.prepare_linked_requirement(req)
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 483, in prepare_linked_requirement
2020-09-20T14:23:55,639     req, self.req_tracker, self.finder, self.build_isolation,
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 91, in _get_prepared_distribution
2020-09-20T14:23:55,639     abstract_dist.prepare_distribution_metadata(finder, build_isolation)
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 40, in prepare_distribution_metadata
2020-09-20T14:23:55,639     self.req.prepare_metadata()
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 555, in prepare_metadata
2020-09-20T14:23:55,639     self.metadata_directory = self._generate_metadata()
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 535, in _generate_metadata
2020-09-20T14:23:55,639     details=self.name or "from {}".format(self.link)
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 73, in generate_metadata
2020-09-20T14:23:55,639     command_desc='python setup.py egg_info',
2020-09-20T14:23:55,639   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/subprocess.py", line 242, in call_subprocess
2020-09-20T14:23:55,639     raise InstallationError(exc_msg)
2020-09-20T14:23:55,639 pip._internal.exceptions.InstallationError: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2020-09-20T14:23:55,647 Removed s4==0.1.21 from https://files.pythonhosted.org/packages/42/7c/c0507b9c60f0cf37d3cf44122c6f4bd4ab37733849605b936cb92c3be98f/s4-0.1.21.tar.gz#sha256=541a583331de5c9e09041b135703fad2a2e638d0593c0e587b1568294635ec8c from build tracker '/tmp/pip-req-tracker-cwxu6x6l'
2020-09-20T14:23:55,648 Removed build tracker: '/tmp/pip-req-tracker-cwxu6x6l'