Running pip install -r requirements.txt produces this warning:
lib/python3.6/site-packages/psycopg2/__init__.py:144: UserWarning:
The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
Running
pip install -r requirements.txt
produces this warning: