Assure removal of __pycache__ before each tox run (#1795)
Assure removal of __pycache__ before each tox run (#1795)

Avoid bug where presence of __pycache__ folders in source tree could
break test execution.

Now __pycache__ is wiped before each run, previously only .py[co]
files were removed.

Signed-off-by: Sorin Sbarnea <8938dff14221394d430a023580a32caf3bfb26a9@redhat.com>
metacloud/molecule,metacloud/molecule,metacloud/molecule