pip install pygraphviz: No package ‘libcgraph’ found

February 23, 2023 by Tarik

sudo apt-get install python-dev graphviz libgraphviz-dev pkg-config

or the following might be needed if you’re using Python 3:

sudo apt-get install python3-dev graphviz libgraphviz-dev pkg-config

then

pip install pygraphviz