develop mode broken with pip 19.1

[gaborbernat]

due to pypa/pip#6370 (follow up discussion on pypa/pip#6434)

[webknjaz]

Oh.. I was about to suggest --no-build-isolation in this case but isolated env on tox level with installing requires from pyproject.toml there...

[webknjaz]

Workarounds:

• https://github.com/ansible/molecule/pull/2009/files
• jaraco/skeleton@123b0b2

GitHub

Pin pip<19.1 in tox by webknjaz · Pull Request #2009 · ansible/molecule

Fixes #2006 Ref pypa/pip#6434 Ref jaraco/skeleton@123b0b2 Ref #1276 PR Type

Bugfix Pull Request