2020-03-16T01:17:24,873 Created temporary directory: /tmp/pip-ephem-wheel-cache-t9unwc5_
2020-03-16T01:17:24,877 Created temporary directory: /tmp/pip-req-tracker-5g77cbrt
2020-03-16T01:17:24,878 Initialized build tracking at /tmp/pip-req-tracker-5g77cbrt
2020-03-16T01:17:24,879 Created build tracker: /tmp/pip-req-tracker-5g77cbrt
2020-03-16T01:17:24,880 Entered build tracker: /tmp/pip-req-tracker-5g77cbrt
2020-03-16T01:17:24,881 Created temporary directory: /tmp/pip-wheel-f9iby783
2020-03-16T01:17:24,887 1 location(s) to search for versions of html2epub:
2020-03-16T01:17:24,887 * https://pypi.org/simple/html2epub/
2020-03-16T01:17:24,888 Fetching project page and analyzing links: https://pypi.org/simple/html2epub/
2020-03-16T01:17:24,889 Getting page https://pypi.org/simple/html2epub/
2020-03-16T01:17:24,892 Found index url https://pypi.org/simple
2020-03-16T01:17:24,895 Getting credentials from keyring for https://pypi.org/simple
2020-03-16T01:17:24,896 Getting credentials from keyring for pypi.org
2020-03-16T01:17:25,076   Skipping link: No binaries permitted for html2epub: https://files.pythonhosted.org/packages/9a/0a/5b1832161964ac6e21c52164051ddcfc2e9f6ebd08de88d322052a4c61ea/html2epub-1.1-py3-none-any.whl#sha256=cf08c36285ac390fd992b013a4f45820b35d6326008dab2a86d1e7b6a12eadb6 (from https://pypi.org/simple/html2epub/)
2020-03-16T01:17:25,077   Found link https://files.pythonhosted.org/packages/18/52/bbbac00cccf2faedacfab2a461318af7b6ee3896a267ebd330b85841bfdc/html2epub-1.1.tar.gz#sha256=c7bda44f94607ab72e4d389fbe485092f022f76aaa57e65363eb1296b245758d (from https://pypi.org/simple/html2epub/), version: 1.1
2020-03-16T01:17:25,077   Skipping link: No binaries permitted for html2epub: https://files.pythonhosted.org/packages/04/a0/cec7ed49e51a46d6e3f0fff848fac772ffe276eb8565b9c8d5dac79079cf/html2epub-1.2-py3-none-any.whl#sha256=7827030ced5b259136d2aa0a24d461f70f66653543a3c610103086e70fc29978 (from https://pypi.org/simple/html2epub/) (requires-python:>=3.8)
2020-03-16T01:17:25,078   Link requires a different Python (3.7.3 not in: '>=3.8'): https://files.pythonhosted.org/packages/65/4c/93204dea63b701f1214cc9a296ddf30ce402accc9f60b4c62cff67d0c584/html2epub-1.2.tar.gz#sha256=2bdc351a2f48d291c5b5d57ab30589c38378511826c4e35445b599bfa3db3258 (from https://pypi.org/simple/html2epub/) (requires-python:>=3.8)
2020-03-16T01:17:25,084 Given no hashes to check 0 links for project 'html2epub': discarding no candidates
2020-03-16T01:17:25,085 ERROR: Could not find a version that satisfies the requirement html2epub==1.2 (from versions: 1.1)
2020-03-16T01:17:25,086 Cleaning up...
2020-03-16T01:17:25,089 Removed build tracker: '/tmp/pip-req-tracker-5g77cbrt'
2020-03-16T01:17:25,092 ERROR: No matching distribution found for html2epub==1.2
2020-03-16T01:17:25,092 Exception information:
2020-03-16T01:17:25,092 Traceback (most recent call last):
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-03-16T01:17:25,092     status = self.run(options, args)
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-03-16T01:17:25,092     resolver.resolve(requirement_set)
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-03-16T01:17:25,092     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-03-16T01:17:25,092     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-03-16T01:17:25,092     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-03-16T01:17:25,092     self.link = finder.find_requirement(self, upgrade)
2020-03-16T01:17:25,092   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-03-16T01:17:25,092     'No matching distribution found for %s' % req
2020-03-16T01:17:25,092 pip._internal.exceptions.DistributionNotFound: No matching distribution found for html2epub==1.2