2020-05-20T12:20:42,749 Created temporary directory: /tmp/pip-ephem-wheel-cache-v67ue0c1
2020-05-20T12:20:42,754 Created temporary directory: /tmp/pip-req-tracker-nektnbh2
2020-05-20T12:20:42,755 Initialized build tracking at /tmp/pip-req-tracker-nektnbh2
2020-05-20T12:20:42,755 Created build tracker: /tmp/pip-req-tracker-nektnbh2
2020-05-20T12:20:42,756 Entered build tracker: /tmp/pip-req-tracker-nektnbh2
2020-05-20T12:20:42,757 Created temporary directory: /tmp/pip-wheel-52wukfhd
2020-05-20T12:20:42,779 1 location(s) to search for versions of pycalf:
2020-05-20T12:20:42,779 * https://pypi.org/simple/pycalf/
2020-05-20T12:20:42,779 Fetching project page and analyzing links: https://pypi.org/simple/pycalf/
2020-05-20T12:20:42,780 Getting page https://pypi.org/simple/pycalf/
2020-05-20T12:20:42,782 Found index url https://pypi.org/simple
2020-05-20T12:20:42,988   Skipping link: No binaries permitted for pycalf: https://files.pythonhosted.org/packages/a6/da/a743d11a8f83a64454cce2790a29f5e195a011cbf3b1346792902aac7465/pycalf-0.1.0-py3-none-any.whl#sha256=765e6f1dca5cff81158e38aef8a8060c02b4f6a3ab9e8532a6550166e3bf67ee (from https://pypi.org/simple/pycalf/) (requires-python:>=3.8,<4.0)
2020-05-20T12:20:42,990   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/d1/07/f388843f2976da1a9dd3a51fbe115fe71dcfa5470fd81480ccee03c4b879/pycalf-0.1.0.tar.gz#sha256=2d4be1ab742a7934e981a6ec07b601b3e4ecc3ca858a31f7259a709cddccc477 (from https://pypi.org/simple/pycalf/) (requires-python:>=3.8,<4.0)
2020-05-20T12:20:42,990   Skipping link: No binaries permitted for pycalf: https://files.pythonhosted.org/packages/f5/a3/4afee3b1db25f0eb8d80cc4cf00c6c143768667dbe624cece67f6648fc79/pycalf-0.2.0-py3-none-any.whl#sha256=595aa32975132088950d1650acf3466b72963e946f0fdc6529e490491ff60a08 (from https://pypi.org/simple/pycalf/) (requires-python:>=3.8,<4.0)
2020-05-20T12:20:42,991   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/47/32/55987fc74787f233aaa1889497ff43f4b8a851cc2b48c3efd794edb49e62/pycalf-0.2.0.tar.gz#sha256=c738cb732962fec06f99a3598313dfa0d6701373c09783b189c5f1a0f3a9f5d9 (from https://pypi.org/simple/pycalf/) (requires-python:>=3.8,<4.0)
2020-05-20T12:20:42,998 Given no hashes to check 0 links for project 'pycalf': discarding no candidates
2020-05-20T12:20:42,999 ERROR: Could not find a version that satisfies the requirement pycalf==0.2.0 (from versions: none)
2020-05-20T12:20:42,999 ERROR: No matching distribution found for pycalf==0.2.0
2020-05-20T12:20:42,1000 Exception information:
2020-05-20T12:20:42,1000 Traceback (most recent call last):
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 188, in _main
2020-05-20T12:20:42,1000     status = self.run(options, args)
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 185, in wrapper
2020-05-20T12:20:42,1000     return func(self, options, args)
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 160, in run
2020-05-20T12:20:42,1000     reqs, check_supported_wheels=True
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 179, in resolve
2020-05-20T12:20:42,1000     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 362, in _resolve_one
2020-05-20T12:20:42,1000     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 313, in _get_abstract_dist_for
2020-05-20T12:20:42,1000     self._populate_link(req)
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 279, in _populate_link
2020-05-20T12:20:42,1000     req.link = self.finder.find_requirement(req, upgrade)
2020-05-20T12:20:42,1000   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 930, in find_requirement
2020-05-20T12:20:42,1000     req)
2020-05-20T12:20:42,1000 pip._internal.exceptions.DistributionNotFound: No matching distribution found for pycalf==0.2.0
2020-05-20T12:20:43,008 Removed build tracker: '/tmp/pip-req-tracker-nektnbh2'