Log Message:
py-tox: updated  to 3.6.0

v3.6.0:

Bugfixes
- On windows, check sys.executable before others for interpreter version lookup. \ 
 This matches what happens on non-windows.
- Don't rewrite {posargs} substitution for absolute paths.
- Correctly fail tox --notest when setup fails.

Documentation
- Update Contributor Covenant URL to use https://
- Correct the capitalization of PyPI throughout the documentation
- Link to related projects (Invoke and Nox) from the documentation

Miscellaneous
- Include the license file in the wheel distribution