2019-07-01T00:20:27 Created temporary directory: /tmp/pip-ephem-wheel-cache-zjhkex82 2019-07-01T00:20:27 Created temporary directory: /tmp/pip-req-tracker-cxcvoypu 2019-07-01T00:20:27 Created requirements tracker '/tmp/pip-req-tracker-cxcvoypu' 2019-07-01T00:20:27 Created temporary directory: /tmp/pip-wheel-yf0iaqcq 2019-07-01T00:20:27 Collecting mailman-bundler==3.0b3 2019-07-01T00:20:27 1 location(s) to search for versions of mailman-bundler: 2019-07-01T00:20:27 * https://pypi.org/simple/mailman-bundler/ 2019-07-01T00:20:27 Getting page https://pypi.org/simple/mailman-bundler/ 2019-07-01T00:20:27 Analyzing links from page https://pypi.org/simple/mailman-bundler/ 2019-07-01T00:20:27 ERROR: Could not find a version that satisfies the requirement mailman-bundler==3.0b3 (from versions: none) 2019-07-01T00:20:27 Cleaning up... 2019-07-01T00:20:27 Removed build tracker '/tmp/pip-req-tracker-cxcvoypu' 2019-07-01T00:20:27 ERROR: No matching distribution found for mailman-bundler==3.0b3 2019-07-01T00:20:27 Exception information: 2019-07-01T00:20:27 Traceback (most recent call last): 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main 2019-07-01T00:20:27 status = self.run(options, args) 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run 2019-07-01T00:20:27 resolver.resolve(requirement_set) 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve 2019-07-01T00:20:27 self._resolve_one(requirement_set, req) 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one 2019-07-01T00:20:27 abstract_dist = self._get_abstract_dist_for(req_to_install) 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for 2019-07-01T00:20:27 self.require_hashes 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 282, in prepare_linked_requirement 2019-07-01T00:20:27 req.populate_link(finder, upgrade_allowed, require_hashes) 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 198, in populate_link 2019-07-01T00:20:27 self.link = finder.find_requirement(self, upgrade) 2019-07-01T00:20:27 File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index.py", line 792, in find_requirement 2019-07-01T00:20:27 'No matching distribution found for %s' % req 2019-07-01T00:20:27 pip._internal.exceptions.DistributionNotFound: No matching distribution found for mailman-bundler==3.0b3