Created originally on Bitbucket by Yannick_Jadoul (Yannick Jadoul)
Was already merged in Bitbucket before import, marked as merged by the import user
Source changeset not longer availableat the time of import. Commit listwill look empty
Still needs some tests, but virtualenv
now works for Python 3.7 :)
Cfr. https://bugs.python.org/issue31333 and https://github.com/python/cpython/pull/5273