“RuntimeError: Make sure the Graphviz executables are on your system’s path” after installing Graphviz 2.38
You should install the graphviz package in your system (not just the python package). On Ubuntu you should try: sudo apt-get install graphviz
graphviz
Graphviz: How to go from .dot to a graph?
type: dot -Tps filename.dot -o outfile.ps If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn’t in your path, figure out where it is installed and run it from there. You can change the output format by varying the value after -T and choosing an appropriate filename … Read more