Creating virtualenvs from a virtualenv always yells at me #1193
Description
Creating a virtualenv from within a virtualenv (on PyPy only?) always spits out spurious Path not in prefix warnings, that appear to come from https://github.com/pypa/virtualenv/blob/master/virtualenv.py#L1087.
Functionally, everything appears fine, and from reading the surrounding code their quickly, it seems like the warning is incorrect in this case (and that the next block of code is going to find the correct value), but it's difficult to tell.
Reproducer:
~/Desktop
⊙ rm -rf foo bar && pypy ~/Development/virtualenv/virtualenv.py --quiet foo && echo "DONE" && foo/bin/pypy ~/Development/virtualenv/virtualenv.py --quiet bar Julian@Macnetic
DONE
Path not in prefix '/Users/Julian/Desktop/foo/include' '/usr/local/Cellar/pypy/6.0.0/libexec'