2020-04-04T12:58:24,560 Created temporary directory: /tmp/pip-ephem-wheel-cache-52h7e3gx
2020-04-04T12:58:24,563 Created temporary directory: /tmp/pip-req-tracker-k0mvmm0f
2020-04-04T12:58:24,564 Initialized build tracking at /tmp/pip-req-tracker-k0mvmm0f
2020-04-04T12:58:24,564 Created build tracker: /tmp/pip-req-tracker-k0mvmm0f
2020-04-04T12:58:24,565 Entered build tracker: /tmp/pip-req-tracker-k0mvmm0f
2020-04-04T12:58:24,566 Created temporary directory: /tmp/pip-wheel-xo14kac_
2020-04-04T12:58:24,571 1 location(s) to search for versions of jsonschema-instance:
2020-04-04T12:58:24,571 * https://pypi.org/simple/jsonschema-instance/
2020-04-04T12:58:24,571 Fetching project page and analyzing links: https://pypi.org/simple/jsonschema-instance/
2020-04-04T12:58:24,572 Getting page https://pypi.org/simple/jsonschema-instance/
2020-04-04T12:58:24,574 Found index url https://pypi.org/simple
2020-04-04T12:58:24,576 Getting credentials from keyring for https://pypi.org/simple
2020-04-04T12:58:24,577 Getting credentials from keyring for pypi.org
2020-04-04T12:58:24,844 Given no hashes to check 0 links for project 'jsonschema-instance': discarding no candidates
2020-04-04T12:58:24,845 ERROR: Could not find a version that satisfies the requirement jsonschema-instance==0.1.0 (from versions: none)
2020-04-04T12:58:24,845 Cleaning up...
2020-04-04T12:58:24,849 Removed build tracker: '/tmp/pip-req-tracker-k0mvmm0f'
2020-04-04T12:58:24,852 ERROR: No matching distribution found for jsonschema-instance==0.1.0
2020-04-04T12:58:24,852 Exception information:
2020-04-04T12:58:24,852 Traceback (most recent call last):
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-04-04T12:58:24,852     status = self.run(options, args)
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-04-04T12:58:24,852     resolver.resolve(requirement_set)
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-04-04T12:58:24,852     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-04-04T12:58:24,852     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-04-04T12:58:24,852     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-04-04T12:58:24,852     self.link = finder.find_requirement(self, upgrade)
2020-04-04T12:58:24,852   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-04-04T12:58:24,852     'No matching distribution found for %s' % req
2020-04-04T12:58:24,852 pip._internal.exceptions.DistributionNotFound: No matching distribution found for jsonschema-instance==0.1.0