pip freeze > requirements.txt pip install -r requirements.txt
pip install git+https://github.com/numpy/numpy.git
pip install --upgrade pip setuptools
Upgrade setuptools to fix the following error:
## ERROR: Could not find a version that satisfies the requirement [PACKAGE] (from versions: none) ## ERROR: No matching distribution found for [PACKAGE]
pip install --upgrade setuptools
https://stackoverflow.com/questions/21305524/how-to-install-pip-for-python-2
curl https://bootstrap.pypa.io/pip/2.7/get-pip.py -o get-pip.py python get-pip.py