Enhancement: using setuptools in virtualenv instead of the sys.path fuddling

[LukasMoll]

We have code like this: sys.path[:0] = [os.path.join(os.path.dirname(__file__), '..', '..', '..', 'tests', 'TestRunner')] . Best practice is to use something like setuptools in virtualenv.

[ranjanmangla1]

i am new to this project, can i take on this issue?