How to generate graphic model Django with PyGraphViz?
sudo apt-get install -y graphviz libgraphviz-dev pkg-config
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
pip install pygraphviz
pip uninstall pyparsing
pip install -Iv https://pypi.python.org/packages/source/p/pyparsing/pyparsing-1.5.7.tar.gz#md5=9be0fcdcc595199c646ab317c1d9a709