pypa/virtualenv — comment on commit 85426cf2928ed11e07f9c7460e99d90311e71127
File:  line 0
By bradleyayers:

Damn, sorry. We can use `platform.python_implementation` to change the `-x` flag to be a CPython only fix. It's added in Python 2.6, what's the minimum supported version of Python that virtualenv supports?