[Pytest-commit] Issue #209: problem with virtualenv 12.x (hpk42/tox)

[asdfsx]

New issue 209: problem with virtualenv 12.x
https://bitbucket.org/hpk42/tox/issue/209/problem-with-virtualenv-12x

asdfsx:

tox cannot work well with virtualenv 12.x

cause exceptions like below:
Traceback (most recent call last):
  File "C:\Python27\Scripts\tox-script.py", line 5, in <module>
    from pkg_resources import load_entry_point
  File "C:\Python27\lib\site-packages\pkg_resources.py", line 2735, in <module>
    working_set.require(__requires__)
  File "C:\Python27\lib\site-packages\pkg_resources.py", line 690, in require
    needed = self.resolve(parse_requirements(requirements))
  File "C:\Python27\lib\site-packages\pkg_resources.py", line 588, in resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: virtualenv>=1.11.2