2022-03-24T12:51:10,594 Created temporary directory: /tmp/pip-ephem-wheel-cache-tro7_zkn
2022-03-24T12:51:10,599 Created temporary directory: /tmp/pip-req-tracker-y0944gv5
2022-03-24T12:51:10,600 Initialized build tracking at /tmp/pip-req-tracker-y0944gv5
2022-03-24T12:51:10,601 Created build tracker: /tmp/pip-req-tracker-y0944gv5
2022-03-24T12:51:10,601 Entered build tracker: /tmp/pip-req-tracker-y0944gv5
2022-03-24T12:51:10,602 Created temporary directory: /tmp/pip-wheel-bposv0jx
2022-03-24T12:51:10,670 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2022-03-24T12:51:10,678 2 location(s) to search for versions of cnside:
2022-03-24T12:51:10,678 * https://pypi.org/simple/cnside/
2022-03-24T12:51:10,678 * https://www.piwheels.org/simple/cnside/
2022-03-24T12:51:10,679 Fetching project page and analyzing links: https://pypi.org/simple/cnside/
2022-03-24T12:51:10,680 Getting page https://pypi.org/simple/cnside/
2022-03-24T12:51:10,684 Found index url https://pypi.org/simple
2022-03-24T12:51:10,816   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/06/0f/362f1a0d1130edbe6c0fa7d7d48d67e874595df4d7efad1ec5a0f2bb564e/cnside-0.10.2-py3-none-any.whl#sha256=06b6cdbb87623e5f528e13a7eb9f708d2331b1eba82239e5117e56e7994993c8 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,817   Found link https://files.pythonhosted.org/packages/0c/c8/3718a6d4ced6ed2162214f5e10fa2670a786091e577a5d3e3dc9eb4e0193/cnside-0.10.2.tar.gz#sha256=c7aa4fe0dcbf5c78d124383c0908020334311c8d8a30e16b51de343dd2524a98 (from https://pypi.org/simple/cnside/), version: 0.10.2
2022-03-24T12:51:10,818   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/30/71/99b618c10e42848e707f25944e930e43e7d5a96bdbcb85e4af3aecfdc6f4/cnside-0.10.3-py3-none-any.whl#sha256=b1ad0ac95da40340f35bf92ac17b22ccd4596b0a672a29ab07fa7bc2ae571089 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,818   Found link https://files.pythonhosted.org/packages/2c/50/7da84d20560de5e56635ac65b3f5d4bb7160655a556f79bcea6e95df7cbb/cnside-0.10.3.tar.gz#sha256=0230ea7421d690a0d6ffe150589a689bc30ae4f3160b2ab5828486360c69f047 (from https://pypi.org/simple/cnside/), version: 0.10.3
2022-03-24T12:51:10,819   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/1e/0a/c13018bb70ff823160a82499ee8e3c65396d7bfeac2ad900ac5b9b8028ed/cnside-0.11.0-py3-none-any.whl#sha256=689abf4988fa67c1a8158f75dc66996cd8c8585fa8ad06e134256ce248a7666c (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,820   Found link https://files.pythonhosted.org/packages/5d/9c/8939ec395b555414ed87df91281d5d687aa594d4ecdc539a88255c9a0822/cnside-0.11.0.tar.gz#sha256=cd357128fa35d023e0cdc5fe2dd7c0fc71ba4a197b1b5d2aaeb99606e5f6568f (from https://pypi.org/simple/cnside/), version: 0.11.0
2022-03-24T12:51:10,821   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/68/56/7df8efe03260d3d184b6b03cd9af1d8b623bce6f669c0518eeeedd17bdb2/cnside-0.12.0-py3-none-any.whl#sha256=d3795c6016fe0367e863d34f4436ba36b0c9d1ff7546a8d887e40f0635dfa4a7 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,821   Found link https://files.pythonhosted.org/packages/65/f6/e8161eec35f9fd8c78a8a10bae27db0636afa7f7408fbf967ce6e7e2dc5b/cnside-0.12.0.tar.gz#sha256=1561e16f27977f5597b7071fc0d85ee0e4b1246ef44a0a2081278002b6a3b815 (from https://pypi.org/simple/cnside/), version: 0.12.0
2022-03-24T12:51:10,822   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/96/a5/a9480f0d777a7b7ae7f9676d5db57f84e1c457fe5e6cdb48c1bcecd1a64d/cnside-0.12.1-py3-none-any.whl#sha256=53c0cc5fcd68c267a3691c912ca261b45b2ead9f8c38da7238062477a9f0880b (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,822   Found link https://files.pythonhosted.org/packages/37/d2/da6cb4b4faa79881f93d4d144434238d01c68db717cc2cccae47edd862ab/cnside-0.12.1.tar.gz#sha256=add17392341ac5d824afe55b4a9e32cd2a6c38cde5efaf30026ef0092f62b166 (from https://pypi.org/simple/cnside/), version: 0.12.1
2022-03-24T12:51:10,823   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/2c/4d/376d16d60c5e0d196b8f6582ad12df6237906057eaad0efb48e8e3afcefb/cnside-0.13.0-py3-none-any.whl#sha256=0cfebf3264924ce7690b665387d9c32548bd1d26a6c70d28eb74fb6abc5f7e2a (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,824   Found link https://files.pythonhosted.org/packages/5f/96/cdf31b6a6d98c8666710d28f9fba5b62925f6705c1babb82e8c62b645502/cnside-0.13.0.tar.gz#sha256=84eddc30815eea2a04e83ec945315ece76a1d44c0e4a50bb4b9368a7236654a8 (from https://pypi.org/simple/cnside/), version: 0.13.0
2022-03-24T12:51:10,824   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/3d/31/37672dd25ad0bde4c2c16c8e0af4e2803a7f22fcdc7e18175af67e23adca/cnside-0.13.3-py3-none-any.whl#sha256=f268fc71023a608aa45383593dd47d06027dbb68ad6ba0269886d24dad18f2e8 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,825   Found link https://files.pythonhosted.org/packages/c1/f8/4b1d1a28d2c42ecce0e3761a1133d23ed2fe932c3faba425ea693aadb8a1/cnside-0.13.3.tar.gz#sha256=352e32f5b5554b99842115b6babb8872a0d950ec57308c07dfcdfbde96d137ca (from https://pypi.org/simple/cnside/), version: 0.13.3
2022-03-24T12:51:10,826   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/22/47/f469cb25eb3ce336d0bfa83d48a90b593198d7306eff9a025e4fb7cca5b9/cnside-0.14.0-py3-none-any.whl#sha256=a76b5bb031b762dadd5f01f327c47e7f51b72065b7006e8716eceef75622df09 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,826   Found link https://files.pythonhosted.org/packages/84/e5/51d04a2055fe2429bb544f4d063d88eedb16670d44162b5bac02aab3c3c6/cnside-0.14.0.tar.gz#sha256=fe7d56e83733c3d4323984deb7497de93575b1ecea1387b9a94d84689b103167 (from https://pypi.org/simple/cnside/), version: 0.14.0
2022-03-24T12:51:10,827   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/d4/f7/2d974c937ee68f76b7518c6772d82e10878f5ef36b186af54798aa999c7f/cnside-0.14.1-py3-none-any.whl#sha256=459e4b40a75968b39787038e79dda3d3c415fb5aef3ffc57b006df081769628b (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,828   Found link https://files.pythonhosted.org/packages/a2/a0/5d51d602a71971d1eb643dee755bcaebac8fb8ff6d044292ab8fe0932aa9/cnside-0.14.1.tar.gz#sha256=2d128c4539e35de6724c97539f5fda1da3957b4b7961b5a535c8c9e7e9b77b8b (from https://pypi.org/simple/cnside/), version: 0.14.1
2022-03-24T12:51:10,828   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/23/2e/d762dbaafcfd0b1d7db51262ec81d55aee9bd29ea6576101d8010d5c5ee7/cnside-0.14.2-py3-none-any.whl#sha256=dcb958abb6b34ec5925d6dcf8d6431390566ada5e1a7a12dda6cc3d32a246101 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,829   Found link https://files.pythonhosted.org/packages/45/2a/22ad154c9ba8166dc269c48d7b777e30ed8b06fb7d1b24e97e0e01687635/cnside-0.14.2.tar.gz#sha256=1bd68b3a2b268055af53439636cd1e9e1571e95f6f102b846b14dd32fe288073 (from https://pypi.org/simple/cnside/), version: 0.14.2
2022-03-24T12:51:10,830   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/97/6f/9d0f9f9b2e52a9648df19356bcead0167b15c1c31cce88e3bad205f3a618/cnside-0.14.3-py3-none-any.whl#sha256=2145547597405f5cdc8017f91af0b6a777703c3b1ccd7b7c20df148775d40e13 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,830   Found link https://files.pythonhosted.org/packages/cd/ee/721a4b97eead508bf4e7a715573189271ef308775f4f22e601a27f94e478/cnside-0.14.3.tar.gz#sha256=3d63e7f65bf85fac45a3a45be09fa05c2acc4e2c2b111edc50fd877d6bdccbdf (from https://pypi.org/simple/cnside/), version: 0.14.3
2022-03-24T12:51:10,831   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/dd/b7/3d426b4e3444e5ada8b8690cce875e5f5bbdecc6bb81eb4002c69168bc13/cnside-0.15.0-py3-none-any.whl#sha256=1a6b720e5420b1eec1de0dbfec3af8ddace10842b9be30371e9ac4e14b268e30 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,832   Found link https://files.pythonhosted.org/packages/1a/e3/945b912a0460089d52208edf45092e2e7807c257fa3326ecdc32d745566c/cnside-0.15.0.tar.gz#sha256=552c19d029fdf62a16b16a0c76c57e95e960d5634659d165a187cdf84d2609d5 (from https://pypi.org/simple/cnside/), version: 0.15.0
2022-03-24T12:51:10,832   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/8a/d6/7ed9fe04b37501c2e84610a4bb694301275f5f9d85b81328ed97b2318c4f/cnside-0.15.1-py3-none-any.whl#sha256=e7a6506050d2107112d482208be9e0cb2a602b19a8e1b20627fcf04a571d7ec3 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,833   Found link https://files.pythonhosted.org/packages/27/ac/d73f793b38d3bc6237345de91b83f918024852d7b3bad91d0f766a894034/cnside-0.15.1.tar.gz#sha256=416b508f10ed18b9bb6e99d043b753e2f06410c4f9c9a7b170c77e8e9f2befb3 (from https://pypi.org/simple/cnside/), version: 0.15.1
2022-03-24T12:51:10,834   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/42/f9/1d4f681fd85e3c752fb1d53fb9a1b5a8fbce0b0b9ee34381ec420ff020d9/cnside-0.15.2-py3-none-any.whl#sha256=e43f813da81fe816d5a4e6d27f71481de06d7e07db9a482893df24b57cb1e912 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,834   Found link https://files.pythonhosted.org/packages/91/df/66eb296aeaa2ec3b5aa8c5aa952b516ebc852e1b961243aea2318e27ee51/cnside-0.15.2.tar.gz#sha256=0c9bb29cdad9a5fcfadd8cd2ee999ef07d7d7263b4361eae622ad58930337853 (from https://pypi.org/simple/cnside/), version: 0.15.2
2022-03-24T12:51:10,835   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/b0/2e/3075208f62d3884e071b7b598247920e9a30243614495d9cf1a25b45acb2/cnside-0.15.3-py3-none-any.whl#sha256=1b0b0ca53427fe638ed1caf386f424f00392726e9e64d4a27cca83f31b98a111 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,835   Found link https://files.pythonhosted.org/packages/99/9d/804156e0af8d41390a8cbe27a6b1a88cfbc49cbba1820564ce4cdf69b42e/cnside-0.15.3.tar.gz#sha256=8763f45c613d4d44d27e828ddb9b30a02f59b95782f7a65280157c3b89e5e7cf (from https://pypi.org/simple/cnside/), version: 0.15.3
2022-03-24T12:51:10,836   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/c6/f6/247bfaa430db4148dd8f314a1212076fdb09c9021075583e2a333640a9d6/cnside-0.15.4-py3-none-any.whl#sha256=5ed3dd5afba120e6aaa956f93535ec52ced789669f6a94faec5cff8b4efcdcf5 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,837   Found link https://files.pythonhosted.org/packages/61/52/6e158e5f2df532dc6ec09ec4f3c33f56a487bb873fbf67be1be4bebfb4d2/cnside-0.15.4.tar.gz#sha256=cd2baaa1d992f11a54639cad52f5751dbe8fb5c021e12313529f044d5afff581 (from https://pypi.org/simple/cnside/), version: 0.15.4
2022-03-24T12:51:10,837   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/37/09/935036ff22ba506e68aae44663cab671eb7e36dd5c7a1026512ac7246362/cnside-0.15.5a1-py3-none-any.whl#sha256=7825bdc0fc16f2aae51505830cc01ed6e268f9c6283661285d2265400456ebdd (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,838   Found link https://files.pythonhosted.org/packages/f5/bd/bdf76e30f9de1bc8a46a2e2dd7066084d35c001032b8a7fb32d9f1eb5fc5/cnside-0.15.5a1.tar.gz#sha256=93612452f3d01b403a443073a7c857a863eb56c54bf397311db582f5f49c6111 (from https://pypi.org/simple/cnside/), version: 0.15.5a1
2022-03-24T12:51:10,839   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/09/65/abaa8e59abe00c28861371a48ea1eb4ba0b733d775fdfe4a598edd362f2b/cnside-0.15.5a2-py3-none-any.whl#sha256=3bd0418d429e96c0d35196a5469e10414af40bb3103b8f1a70e630b392fec45b (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,839   Found link https://files.pythonhosted.org/packages/94/d3/f292d236e6bdd413a1cd0afd7d80e96945043493a9627f5102bb1d69091c/cnside-0.15.5a2.tar.gz#sha256=7ff2b9e0c1c206dd92790c06000ab8ca86cff73cbb850dc02472bb4c2c658d14 (from https://pypi.org/simple/cnside/), version: 0.15.5a2
2022-03-24T12:51:10,840   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/0a/09/e72335cd86a55d7994ea2307446ae84f1bb0f27ee33071864a77b2f3ec44/cnside-0.15.5a3-py3-none-any.whl#sha256=83d0963a15903afe6152578f070a8c0c68fa1bb618aa9151886a82a2013875d4 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,841   Found link https://files.pythonhosted.org/packages/65/94/64dd4263d8130f3632caf4e76087bec5adf4bc98f2631af088b763563962/cnside-0.15.5a3.tar.gz#sha256=24f95a05415851d5816ce0363a815202c11b4c66f165bbaaf7d21c49aa8032f1 (from https://pypi.org/simple/cnside/), version: 0.15.5a3
2022-03-24T12:51:10,841   Skipping link: No binaries permitted for cnside: https://files.pythonhosted.org/packages/1f/ff/a1e53f515be89cdedd0d55e85ac300fc10c1a3ba44919a8484e995213de0/cnside-0.15.5a4-py3-none-any.whl#sha256=a29235e8e8d39d272f48914b1e45ab7d7617a964359fce97c756844167a5f399 (from https://pypi.org/simple/cnside/)
2022-03-24T12:51:10,842   Found link https://files.pythonhosted.org/packages/76/b5/5c064dffbc5da57cd8b905ea5dbbbae216c45dfdee8233f32f7fceb76ce2/cnside-0.15.5a4.tar.gz#sha256=aeac6fb234a2987bb9dca2fad0878a5baf556f59c5fc6c1196c626bcb179f295 (from https://pypi.org/simple/cnside/), version: 0.15.5a4
2022-03-24T12:51:10,843 Fetching project page and analyzing links: https://www.piwheels.org/simple/cnside/
2022-03-24T12:51:10,844 Getting page https://www.piwheels.org/simple/cnside/
2022-03-24T12:51:10,846 Found index url https://www.piwheels.org/simple
2022-03-24T12:51:11,071 Skipping link: not a file: https://www.piwheels.org/simple/cnside/
2022-03-24T12:51:11,071 Skipping link: not a file: https://pypi.org/simple/cnside/
2022-03-24T12:51:11,113 Given no hashes to check 1 links for project 'cnside': discarding no candidates
2022-03-24T12:51:11,144 Collecting cnside==0.15.5a4
2022-03-24T12:51:11,148   Created temporary directory: /tmp/pip-unpack-c4mqke4q
2022-03-24T12:51:11,238   Downloading cnside-0.15.5a4.tar.gz (17 kB)
2022-03-24T12:51:11,411   Added cnside==0.15.5a4 from https://files.pythonhosted.org/packages/76/b5/5c064dffbc5da57cd8b905ea5dbbbae216c45dfdee8233f32f7fceb76ce2/cnside-0.15.5a4.tar.gz#sha256=aeac6fb234a2987bb9dca2fad0878a5baf556f59c5fc6c1196c626bcb179f295 to build tracker '/tmp/pip-req-tracker-y0944gv5'
2022-03-24T12:51:11,413   Running setup.py (path:/tmp/pip-wheel-bposv0jx/cnside_59b4ce3fc19642dc9d23566438e11180/setup.py) egg_info for package cnside
2022-03-24T12:51:11,414   Created temporary directory: /tmp/pip-pip-egg-info-znxz98ao
2022-03-24T12:51:11,415   Preparing metadata (setup.py): started
2022-03-24T12:51:11,417   Running command python setup.py egg_info
2022-03-24T12:51:12,953   Traceback (most recent call last):
2022-03-24T12:51:12,954     File "<string>", line 36, in <module>
2022-03-24T12:51:12,954     File "<pip-setuptools-caller>", line 34, in <module>
2022-03-24T12:51:12,955     File "/tmp/pip-wheel-bposv0jx/cnside_59b4ce3fc19642dc9d23566438e11180/setup.py", line 4, in <module>
2022-03-24T12:51:12,955       with open("VERSION", "r") as fp:
2022-03-24T12:51:12,956   FileNotFoundError: [Errno 2] No such file or directory: 'VERSION'
2022-03-24T12:51:13,051   ERROR: [present-diagnostic] python setup.py egg_info exited with 1
2022-03-24T12:51:13,093   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2022-03-24T12:51:13,093   exec(compile('"'"''"'"''"'"'
2022-03-24T12:51:13,093   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2022-03-24T12:51:13,093   #
2022-03-24T12:51:13,093   # - It imports setuptools before invoking setup.py, to enable projects that directly
2022-03-24T12:51:13,093   #   import from `distutils.core` to work with newer packaging standards.
2022-03-24T12:51:13,093   # - It provides a clear error message when setuptools is not installed.
2022-03-24T12:51:13,093   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2022-03-24T12:51:13,093   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2022-03-24T12:51:13,093   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2022-03-24T12:51:13,093   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2022-03-24T12:51:13,093   import os, sys, tokenize
2022-03-24T12:51:13,093   
2022-03-24T12:51:13,093   try:
2022-03-24T12:51:13,093       import setuptools
2022-03-24T12:51:13,093   except ImportError as error:
2022-03-24T12:51:13,093       print(
2022-03-24T12:51:13,093           "ERROR: Can not execute `setup.py` since setuptools is not available in "
2022-03-24T12:51:13,093           "the build environment.",
2022-03-24T12:51:13,093           file=sys.stderr,
2022-03-24T12:51:13,093       )
2022-03-24T12:51:13,093       sys.exit(1)
2022-03-24T12:51:13,093   
2022-03-24T12:51:13,093   __file__ = %r
2022-03-24T12:51:13,093   sys.argv[0] = __file__
2022-03-24T12:51:13,093   
2022-03-24T12:51:13,093   if os.path.exists(__file__):
2022-03-24T12:51:13,093       filename = __file__
2022-03-24T12:51:13,093       with tokenize.open(__file__) as f:
2022-03-24T12:51:13,093           setup_py_code = f.read()
2022-03-24T12:51:13,093   else:
2022-03-24T12:51:13,093       filename = "<auto-generated setuptools caller>"
2022-03-24T12:51:13,093       setup_py_code = "from setuptools import setup; setup()"
2022-03-24T12:51:13,093   
2022-03-24T12:51:13,093   exec(compile(setup_py_code, filename, "exec"))
2022-03-24T12:51:13,093   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-bposv0jx/cnside_59b4ce3fc19642dc9d23566438e11180/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-znxz98ao[/]
2022-03-24T12:51:13,093   [bold magenta]cwd[/]: /tmp/pip-wheel-bposv0jx/cnside_59b4ce3fc19642dc9d23566438e11180/
2022-03-24T12:51:13,094   Preparing metadata (setup.py): finished with status 'error'
2022-03-24T12:51:13,097 ERROR: [present-diagnostic] metadata generation failed
2022-03-24T12:51:13,110 Exception information:
2022-03-24T12:51:13,110 Traceback (most recent call last):
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 68, in generate_metadata
2022-03-24T12:51:13,110     spinner=spinner,
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2022-03-24T12:51:13,110     raise error
2022-03-24T12:51:13,110 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2022-03-24T12:51:13,110 
2022-03-24T12:51:13,110 The above exception was the direct cause of the following exception:
2022-03-24T12:51:13,110 
2022-03-24T12:51:13,110 Traceback (most recent call last):
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper
2022-03-24T12:51:13,110     status = run_func(*args)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2022-03-24T12:51:13,110     return func(self, options, args)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 145, in run
2022-03-24T12:51:13,110     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve
2022-03-24T12:51:13,110     collected.requirements, max_rounds=try_to_avoid_resolution_too_deep
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2022-03-24T12:51:13,110     state = resolution.resolve(requirements, max_rounds=max_rounds)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2022-03-24T12:51:13,110     self._add_to_criteria(self.state.criteria, r, parent=None)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria
2022-03-24T12:51:13,110     if not criterion.candidates:
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__
2022-03-24T12:51:13,110     return bool(self._sequence)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2022-03-24T12:51:13,110     return any(self)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2022-03-24T12:51:13,110     return (c for c in iterator if id(c) not in self._incompatible_ids)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2022-03-24T12:51:13,110     candidate = func()
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 220, in _make_candidate_from_link
2022-03-24T12:51:13,110     version=version,
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 294, in __init__
2022-03-24T12:51:13,110     version=version,
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__
2022-03-24T12:51:13,110     self.dist = self._prepare()
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 227, in _prepare
2022-03-24T12:51:13,110     dist = self._prepare_distribution()
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 299, in _prepare_distribution
2022-03-24T12:51:13,110     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 487, in prepare_linked_requirement
2022-03-24T12:51:13,110     return self._prepare_linked_requirement(req, parallel_builds)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 560, in _prepare_linked_requirement
2022-03-24T12:51:13,110     self.build_isolation,
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 58, in _get_prepared_distribution
2022-03-24T12:51:13,110     abstract_dist.prepare_distribution_metadata(finder, build_isolation)
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 47, in prepare_distribution_metadata
2022-03-24T12:51:13,110     self.req.prepare_metadata()
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 533, in prepare_metadata
2022-03-24T12:51:13,110     details=details,
2022-03-24T12:51:13,110   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 71, in generate_metadata
2022-03-24T12:51:13,110     raise MetadataGenerationFailed(package_details=details) from error
2022-03-24T12:51:13,110 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2022-03-24T12:51:13,133 Removed cnside==0.15.5a4 from https://files.pythonhosted.org/packages/76/b5/5c064dffbc5da57cd8b905ea5dbbbae216c45dfdee8233f32f7fceb76ce2/cnside-0.15.5a4.tar.gz#sha256=aeac6fb234a2987bb9dca2fad0878a5baf556f59c5fc6c1196c626bcb179f295 from build tracker '/tmp/pip-req-tracker-y0944gv5'
2022-03-24T12:51:13,134 Removed build tracker: '/tmp/pip-req-tracker-y0944gv5'