Finding the PL/Python Path for your PostgreSQL Server
If you need to get the python path used by plpython you can create a new function that prints out the system paths.
To get started, create a function called python_path
or whatever you want to call it:
CREATE FUNCTION python_path ()
RETURNS text[]
AS $$
import sys
return [p for p in sys.path]
$$ LANGUAGE plpython3u;
Now you can list the paths by running a select query with the function:
SELECT UNNEST(python_path());
For me the output looks like this: