[ResolutionFailure]:   File "/home/vsts/work/1/s/.tox/py/lib/python3.7/site-packages/pipenv/resolver.py", line 743, in _main
[ResolutionFailure]:       resolve_packages(pre, clear, verbose, system, write, requirements_dir, packages, dev)
[ResolutionFailure]:   File "/home/vsts/work/1/s/.tox/py/lib/python3.7/site-packages/pipenv/resolver.py", line 711, in resolve_packages
[ResolutionFailure]:       requirements_dir=requirements_dir,
[ResolutionFailure]:   File "/home/vsts/work/1/s/.tox/py/lib/python3.7/site-packages/pipenv/resolver.py", line 693, in resolve
[ResolutionFailure]:       req_dir=requirements_dir
[ResolutionFailure]:   File "/home/vsts/work/1/s/.tox/py/lib/python3.7/site-packages/pipenv/utils.py", line 1377, in resolve_deps
[ResolutionFailure]:       req_dir=req_dir,
[ResolutionFailure]:   File "/home/vsts/work/1/s/.tox/py/lib/python3.7/site-packages/pipenv/utils.py", line 1098, in actually_resolve_deps
[ResolutionFailure]:       resolver.resolve()
[ResolutionFailure]:   File "/home/vsts/work/1/s/.tox/py/lib/python3.7/site-packages/pipenv/utils.py", line 876, in resolve
[ResolutionFailure]:       raise ResolutionFailure(message=str(e))
[pipenv.exceptions.ResolutionFailure]: Warning: Your dependencies could not be resolved. You likely have a mismatch in your sub-dependencies.
  You can use $ pipenv install --skip-lock to bypass this mechanism, then run $ pipenv graph to inspect the situation.
  Hint: try $ pipenv lock --pre if it is a pre-release dependency.
ERROR: Disabling PEP 517 processing is invalid: project specifies a build backend of setuptools.build_meta in pyproject.toml

ERROR: InvocationError for command /home/vsts/work/1/s/.tox/py/bin/pipenv lock --clear (exited with code 1)
___________________________________ summary ____________________________________
ERROR:   py: commands failed