On debian, they get installed in /usr/local/lib/python3/dist-packages/ntp On Fedora, they go in /usr/local/lib64/python3.9/site-packages/ntp I'm interested in the python3.9 vs python3 (not the lib vs lib64 or site- vs dist-). Which is better, why? ... How does waf decide where to put things? -- These are my opinions. I hate spam.