importlib; python_version<"2.7"
mock
pytest-flake8
pytest-virtualenv>=1.2.7
pytest>=3.0.2
virtualenv

importlib; python_version<"2.7"
mock
pytest-flake8
pytest-virtualenv>=1.2.7
pytest>=3.0.2

Remove dependency on virtualenv. Setuptools' tests don't require it except pytest-virtualenv, which declares it.
Remove dependency on virtualenv. Setuptools' tests don't require it except pytest-virtualenv, which declares it.
