/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/ is in python3-networkx 1.11-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_basic.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_centrality.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_cluster.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_edgelist.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_generators.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_matching.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_matrix.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_project.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_redundancy.py
/usr/lib/python3/dist-packages/networkx/algorithms/bipartite/tests/test_spectral_bipartivity.py