Dependabot can't resolve your Python dependency files

[dependabot-preview]

Dependabot can't resolve your Python dependency files.

As a result, Dependabot couldn't update your dependencies.

The error Dependabot encountered was:

Pipenv failed to install "opencv-python-headless". This could be caused by missing system dependencies that can't be installed by Dependabot or required installation flags.

Error output from running "pipenv lock":
pipenv.patched.notpip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/tmp0k8wnukpbuild/opencv-python-headless/
File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/resolver.py", line 126, in <module>
    main()
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/resolver.py", line 118, in main
    _main(parsed.pre, parsed.clear, parsed.verbose, parsed.system,
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/resolver.py", line 78, in _main
    results = resolve(
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/resolver.py", line 61, in resolve
    return resolve_deps(
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/utils.py", line 718, in resolve_deps
    resolved_tree, hashes, markers_lookup, resolver = actually_resolve_deps(
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/utils.py", line 480, in actually_resolve_deps
    resolved_tree = resolver.resolve()
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/utils.py", line 385, in resolve
    results = self.resolver.resolve(max_rounds=environments.PIPENV_MAX_ROUNDS)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/piptools/resolver.py", line 102, in resolve
    has_changed, best_matches = self._resolve_one_round()
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/piptools/resolver.py", line 206, in _resolve_one_round
    for dep in self._iter_dependencies(best_match):
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/piptools/resolver.py", line 301, in _iter_dependencies
    dependencies = self.repository.get_dependencies(ireq)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/piptools/repositories/pypi.py", line 234, in get_dependencies
    legacy_results = self.get_legacy_dependencies(ireq)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/piptools/repositories/pypi.py", line 426, in get_legacy_dependencies
    results, ireq = self.resolve_reqs(download_dir, ireq, wheel_cache)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/piptools/repositories/pypi.py", line 297, in resolve_reqs
    results = resolver._resolve_one(reqset, ireq)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/notpip/_internal/resolve.py", line 260, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/notpip/_internal/resolve.py", line 211, in _get_abstract_dist_for
    abstract_dist = self.preparer.prepare_linked_requirement(
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/notpip/_internal/operations/prepare.py", line 294, in prepare_linked_requirement
    abstract_dist.prep_for_dist(finder, self.build_isolation)
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/notpip/_internal/operations/prepare.py", line 127, in prep_for_dist
    self.req.run_egg_info()
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/notpip/_internal/req/req_install.py", line 470, in run_egg_info
    call_subprocess(
  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/patched/notpip/_internal/utils/misc.py", line 703, in call_subprocess
    raise InstallationError(
pipenv.patched.notpip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/tmp0k8wnukpbuild/opencv-python-headless/

['Traceback (most recent call last):\n', '  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/utils.py", line 501, in create_spinner\n    yield sp\n', '  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/utils.py", line 649, in venv_resolve_deps\n    c = resolve(cmd, sp)\n', '  File "/usr/local/.pyenv/versions/3.8.6/lib/python3.8/site-packages/pipenv/utils.py", line 539, in resolve\n    sys.exit(c.return_code)\n', 'SystemExit: 1\n']

If you think the above is an error on Dependabot's side please don't hesitate to get in touch - we'll do whatever we can to fix it.

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