How to install 3rd party module for postgres pl/python?

Question

I need to import a 3rd party module inside my pl/python function. It seems pl/python uses an internal python that does not have any 3rd party modules.

I get this kin

Answer 1

Since modifying PYTHONPATH of postgres user will likely need a server restart, it's somewhat easier to add the path from within Python, via

from sys import path
path.append( '/path/to/your/module' )