2021-07-10T13:35:42,062 Created temporary directory: /tmp/pip-ephem-wheel-cache-83qp80he 2021-07-10T13:35:42,069 Created temporary directory: /tmp/pip-req-tracker-vugk9f_2 2021-07-10T13:35:42,069 Initialized build tracking at /tmp/pip-req-tracker-vugk9f_2 2021-07-10T13:35:42,070 Created build tracker: /tmp/pip-req-tracker-vugk9f_2 2021-07-10T13:35:42,070 Entered build tracker: /tmp/pip-req-tracker-vugk9f_2 2021-07-10T13:35:42,070 Created temporary directory: /tmp/pip-wheel-e2kyp8dt 2021-07-10T13:35:42,099 1 location(s) to search for versions of lback: 2021-07-10T13:35:42,099 * https://pypi.org/simple/lback/ 2021-07-10T13:35:42,100 Fetching project page and analyzing links: https://pypi.org/simple/lback/ 2021-07-10T13:35:42,100 Getting page https://pypi.org/simple/lback/ 2021-07-10T13:35:42,102 Found index url https://pypi.org/simple 2021-07-10T13:35:42,276 Found link https://files.pythonhosted.org/packages/11/5f/6e9ca721ea670d7f3bad755a69fd2e51183bf60fa632471c44db1556ce1b/lback-0.8.1.zip#sha256=4236b0b2a8d81af8ca10b1cabd06fcd7e8939f3866a1e8f847b054eb1ad035c4 (from https://pypi.org/simple/lback/), version: 0.8.1 2021-07-10T13:35:42,276 Skipping link: not a file: https://pypi.org/simple/lback/ 2021-07-10T13:35:42,293 Given no hashes to check 0 links for project 'lback': discarding no candidates 2021-07-10T13:35:42,294 ERROR: Could not find a version that satisfies the requirement lback==0.0.1 (from versions: 0.8.1) 2021-07-10T13:35:42,294 ERROR: No matching distribution found for lback==0.0.1 2021-07-10T13:35:42,295 Exception information: 2021-07-10T13:35:42,295 Traceback (most recent call last): 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve 2021-07-10T13:35:42,295 name, crit = self._merge_into_criterion(r, parent=None) 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion 2021-07-10T13:35:42,295 raise RequirementsConflicted(criterion) 2021-07-10T13:35:42,295 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('lback==0.0.1') 2021-07-10T13:35:42,295 2021-07-10T13:35:42,295 During handling of the above exception, another exception occurred: 2021-07-10T13:35:42,295 2021-07-10T13:35:42,295 Traceback (most recent call last): 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve 2021-07-10T13:35:42,295 result = self._result = resolver.resolve( 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve 2021-07-10T13:35:42,295 state = resolution.resolve(requirements, max_rounds=max_rounds) 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve 2021-07-10T13:35:42,295 raise ResolutionImpossible(e.criterion.information) 2021-07-10T13:35:42,295 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('lback==0.0.1'), parent=None)] 2021-07-10T13:35:42,295 2021-07-10T13:35:42,295 The above exception was the direct cause of the following exception: 2021-07-10T13:35:42,295 2021-07-10T13:35:42,295 Traceback (most recent call last): 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/base_command.py", line 180, in _main 2021-07-10T13:35:42,295 status = self.run(options, args) 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper 2021-07-10T13:35:42,295 return func(self, options, args) 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_internal/commands/wheel.py", line 142, in run 2021-07-10T13:35:42,295 requirement_set = resolver.resolve( 2021-07-10T13:35:42,295 File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve 2021-07-10T13:35:42,295 raise error from e 2021-07-10T13:35:42,295 pip._internal.exceptions.DistributionNotFound: No matching distribution found for lback==0.0.1 2021-07-10T13:35:42,298 Removed build tracker: '/tmp/pip-req-tracker-vugk9f_2'