7a62e826a4
1. Remove basepython from testenv
2. this change also fix unittests because stevedore has dropped pkg_resources[0],
after tox upgraded to 4.0.*, tox with usedevelop parameter installs trove in
develop mode, hence stevedore unable to get the entrypoints from sdist[1].
[0]: d5297167e0
[1]: https://tox.wiki/en/2.8.1/config.html#confval-usedevelop=BOOL
Change-Id: Ie65d099509e3cb7a61a09d975c58c1e95aa12b51
This is the trove code itself