2021-03-28T19:09:46,036 Created temporary directory: /tmp/pip-ephem-wheel-cache-wxmxmvlv
2021-03-28T19:09:46,039 Created temporary directory: /tmp/pip-req-tracker-5nvmbj89
2021-03-28T19:09:46,040 Initialized build tracking at /tmp/pip-req-tracker-5nvmbj89
2021-03-28T19:09:46,040 Created build tracker: /tmp/pip-req-tracker-5nvmbj89
2021-03-28T19:09:46,040 Entered build tracker: /tmp/pip-req-tracker-5nvmbj89
2021-03-28T19:09:46,041 Created temporary directory: /tmp/pip-wheel-6p2qkex7
2021-03-28T19:09:46,070 1 location(s) to search for versions of htmlclasses:
2021-03-28T19:09:46,070 * https://pypi.org/simple/htmlclasses/
2021-03-28T19:09:46,070 Fetching project page and analyzing links: https://pypi.org/simple/htmlclasses/
2021-03-28T19:09:46,071 Getting page https://pypi.org/simple/htmlclasses/
2021-03-28T19:09:46,073 Found index url https://pypi.org/simple
2021-03-28T19:09:46,178   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/c4/e9/7c0fc7c3d890cc3053ab6c51ac4f1fb15a848f26a3ca26bedb5d594b5fea/htmlclasses-0.1.0-py3-none-any.whl#sha256=b36a28b10d03d4b017b2b86c2fb18f05592fabfebbf6a11aa4a3f98cb916ca1d (from https://pypi.org/simple/htmlclasses/) (requires-python:>=3.8,<4.0)
2021-03-28T19:09:46,179   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/a0/e6/09a09c906777671023b0655a4de26c939f5cc6e42dff0c45e7661b585fca/htmlclasses-0.1.0.tar.gz#sha256=a114709440ae958f44a05f6cb89a47ff53d85d6c8448f6f2543f905577df4237 (from https://pypi.org/simple/htmlclasses/) (requires-python:>=3.8,<4.0)
2021-03-28T19:09:46,180   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/03/44/8a7eac7b0eaabd5f513e86fa66fbdd56a2ebfdc44be2e4f516d82a5dbb30/htmlclasses-0.2.0-py3-none-any.whl#sha256=35767eda3a0faaafe5e3da373538dbd76b60e0d4fc6d88a2d00d8da45af29573 (from https://pypi.org/simple/htmlclasses/) (requires-python:>=3.8,<4.0)
2021-03-28T19:09:46,180   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/6e/69/a0cebc782395d90f68adfa9dce75a8cee2459dbdee2ad0d7ee4bde755c3a/htmlclasses-0.2.0.tar.gz#sha256=ce2e666ef084739fe239a2235a40be34b41f286ca7f461d5be96e710dfbf395c (from https://pypi.org/simple/htmlclasses/) (requires-python:>=3.8,<4.0)
2021-03-28T19:09:46,181   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/54/9c/4938b9ef31f64326b527bc3647895631f1ddb6ffa85e64b7bf264225b069/htmlclasses-0.2.1-py3-none-any.whl#sha256=b6854529c627866f0e97bd1cc3afce6451c73db0a6c94a4f5d5a21da65a61e72 (from https://pypi.org/simple/htmlclasses/) (requires-python:>=3.8,<4.0)
2021-03-28T19:09:46,182   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/cf/e0/7ad45b7e3d602f7a81b1d5f8739a9184073dd15f93e2361b894966a34b10/htmlclasses-0.2.1.tar.gz#sha256=1dc5f54e6ec4158342b87c94b7c66fcc26ff2602cf4e52b39b5c4df8c685ab77 (from https://pypi.org/simple/htmlclasses/) (requires-python:>=3.8,<4.0)
2021-03-28T19:09:46,182 Given no hashes to check 0 links for project 'htmlclasses': discarding no candidates
2021-03-28T19:09:46,182 ERROR: Could not find a version that satisfies the requirement htmlclasses==0.2.1
2021-03-28T19:09:46,183 ERROR: No matching distribution found for htmlclasses==0.2.1
2021-03-28T19:09:46,183 Exception information:
2021-03-28T19:09:46,183 Traceback (most recent call last):
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 171, in _merge_into_criterion
2021-03-28T19:09:46,183     crit = self.state.criteria[name]
2021-03-28T19:09:46,183 KeyError: 'htmlclasses'
2021-03-28T19:09:46,183 
2021-03-28T19:09:46,183 During handling of the above exception, another exception occurred:
2021-03-28T19:09:46,183 
2021-03-28T19:09:46,183 Traceback (most recent call last):
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 318, in resolve
2021-03-28T19:09:46,183     name, crit = self._merge_into_criterion(r, parent=None)
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-03-28T19:09:46,183     crit = Criterion.from_requirement(self._p, requirement, parent)
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 83, in from_requirement
2021-03-28T19:09:46,183     raise RequirementsConflicted(criterion)
2021-03-28T19:09:46,183 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('htmlclasses==0.2.1')
2021-03-28T19:09:46,183 
2021-03-28T19:09:46,183 During handling of the above exception, another exception occurred:
2021-03-28T19:09:46,183 
2021-03-28T19:09:46,183 Traceback (most recent call last):
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 122, in resolve
2021-03-28T19:09:46,183     requirements, max_rounds=try_to_avoid_resolution_too_deep,
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 453, in resolve
2021-03-28T19:09:46,183     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 320, in resolve
2021-03-28T19:09:46,183     raise ResolutionImpossible(e.criterion.information)
2021-03-28T19:09:46,183 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('htmlclasses==0.2.1'), parent=None)]
2021-03-28T19:09:46,183 
2021-03-28T19:09:46,183 The above exception was the direct cause of the following exception:
2021-03-28T19:09:46,183 
2021-03-28T19:09:46,183 Traceback (most recent call last):
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 189, in _main
2021-03-28T19:09:46,183     status = self.run(options, args)
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 178, in wrapper
2021-03-28T19:09:46,183     return func(self, options, args)
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 159, in run
2021-03-28T19:09:46,183     reqs, check_supported_wheels=True
2021-03-28T19:09:46,183   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-03-28T19:09:46,183     six.raise_from(error, e)
2021-03-28T19:09:46,183   File "<string>", line 3, in raise_from
2021-03-28T19:09:46,183 pip._internal.exceptions.DistributionNotFound: No matching distribution found for htmlclasses==0.2.1
2021-03-28T19:09:46,187 Removed build tracker: '/tmp/pip-req-tracker-5nvmbj89'