I was struggling with installing dependencies for an external library (the requirements were already fulfilled) when I read that I should check if the install path is in my PYTHONPATH. It wasn't, so I looked up how to add it. I came across this answer, and typed the code straight into the Terminal (not ~/.bashrc) before I finished reading. If you're using bash (on a Mac or GNU/Linux distro), add this to your ~/.bashrc export PYTHONPATH="${PYTHONPATH}:/my/other/path" The path was I entered was /usr/bin/python. Surprisingly this fixed all of my dependency problems. However, since my Django project is dependent on a virtualenv, this ruined everything. I can no longer find how or where to restore my PYTHONPATH to. I tried export PYTHONPATH="/home/[username]/.virtualenvs/[env]/bin/python" and also deleting the virtualenv with rmvirtualenv. My next plan is to delete the project and pull again. Continue reading...