2020-12-03T07:01:39,417 Created temporary directory: /tmp/pip-ephem-wheel-cache-441kww0z
2020-12-03T07:01:39,420 Created temporary directory: /tmp/pip-req-tracker-zryumvfb
2020-12-03T07:01:39,421 Initialized build tracking at /tmp/pip-req-tracker-zryumvfb
2020-12-03T07:01:39,421 Created build tracker: /tmp/pip-req-tracker-zryumvfb
2020-12-03T07:01:39,421 Entered build tracker: /tmp/pip-req-tracker-zryumvfb
2020-12-03T07:01:39,422 Created temporary directory: /tmp/pip-wheel-z9tfhyob
2020-12-03T07:01:39,438 1 location(s) to search for versions of librefi:
2020-12-03T07:01:39,438 * https://pypi.org/simple/librefi/
2020-12-03T07:01:39,439 Fetching project page and analyzing links: https://pypi.org/simple/librefi/
2020-12-03T07:01:39,439 Getting page https://pypi.org/simple/librefi/
2020-12-03T07:01:39,441 Found index url https://pypi.org/simple
2020-12-03T07:01:39,555   Link requires a different Python (3.7.3 not in: '==2.7, >=3.8'): https://files.pythonhosted.org/packages/42/d6/2cbb668da0c2dbcbedf711c971aff5b091f7ea0e35b3abab6e633385ff51/librefi-2020.12.3-py2.py3-none-any.whl#sha256=dfcee3bc2b15099fbc2a036a1f5ac9076bd59299161f27a3383d1d8fc3b1a57b (from https://pypi.org/simple/librefi/) (requires-python:==2.7, >=3.8)
2020-12-03T07:01:39,556   Link requires a different Python (3.7.3 not in: '==2.7, >=3.8'): https://files.pythonhosted.org/packages/34/a1/ff7715c9c92af89ed7e4a692126d9e6c54d705ccd8b2a3d0853b861a5265/librefi-2020.12.3.tar.gz#sha256=f949497b5a30690017703e155fde8e2a5ee0b94e35ca9b24ca82d2b149ce4d6e (from https://pypi.org/simple/librefi/) (requires-python:==2.7, >=3.8)
2020-12-03T07:01:39,557   Link requires a different Python (3.7.3 not in: '~=2.7, >=3.5'): https://files.pythonhosted.org/packages/3d/f8/c9bffddef374549475f721c9df776b5e5e23c129d7c9cf62537e895612e6/librefi-2020.12.3.1-py2.py3-none-any.whl#sha256=23689548d62003c3642a4e77e98d310bbee22c02e279c2bb1dd51d30dcbf68b6 (from https://pypi.org/simple/librefi/) (requires-python:~=2.7, >=3.5)
2020-12-03T07:01:39,557   Link requires a different Python (3.7.3 not in: '~=2.7, >=3.5'): https://files.pythonhosted.org/packages/2c/4a/a6f6bec19094142b6d13383d2aec37c93fef9e345e9601bb0917a964d111/librefi-2020.12.3.1.tar.gz#sha256=4e447e5d34577a030dcf6182c819d85775367dd6052d83ea4ce4899a877d3bd9 (from https://pypi.org/simple/librefi/) (requires-python:~=2.7, >=3.5)
2020-12-03T07:01:39,558 Given no hashes to check 0 links for project 'librefi': discarding no candidates
2020-12-03T07:01:39,558 ERROR: Could not find a version that satisfies the requirement librefi==2020.12.3.1 (from versions: none)
2020-12-03T07:01:39,558 ERROR: No matching distribution found for librefi==2020.12.3.1
2020-12-03T07:01:39,559 Exception information:
2020-12-03T07:01:39,559 Traceback (most recent call last):
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 228, in _main
2020-12-03T07:01:39,559     status = self.run(options, args)
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
2020-12-03T07:01:39,559     return func(self, options, args)
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 156, in run
2020-12-03T07:01:39,559     reqs, check_supported_wheels=True
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 183, in resolve
2020-12-03T07:01:39,559     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 388, in _resolve_one
2020-12-03T07:01:39,559     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 339, in _get_abstract_dist_for
2020-12-03T07:01:39,559     self._populate_link(req)
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 305, in _populate_link
2020-12-03T07:01:39,559     req.link = self._find_requirement_link(req)
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 270, in _find_requirement_link
2020-12-03T07:01:39,559     best_candidate = self.finder.find_requirement(req, upgrade)
2020-12-03T07:01:39,559   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 930, in find_requirement
2020-12-03T07:01:39,559     req)
2020-12-03T07:01:39,559 pip._internal.exceptions.DistributionNotFound: No matching distribution found for librefi==2020.12.3.1
2020-12-03T07:01:39,590 Removed build tracker: '/tmp/pip-req-tracker-zryumvfb'