/usr/lib/python3/dist-packages/networkx/algorithms/isomorphism/__init__.py is in python3-networkx 1.11-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | from networkx.algorithms.isomorphism.isomorph import *
from networkx.algorithms.isomorphism.vf2userfunc import *
from networkx.algorithms.isomorphism.matchhelpers import *
|