tox doesn't recognize requirements have changed
If I change the set of modules that
setup.py requires (i.e.
tox (working with
py.test) doesn't seem to recognize the change, and silently keeps using the same modules it was before.
tox -r fixes this with a reload...but I usually forget to use
-r until the tests break. It would be nice if
tox recognized a need to reload on its own.