/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/ is in python3-networkx 1.11-1ubuntu2.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/__init__.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/connectivity.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/correlation.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/mixing.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/neighbor_degree.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/pairs.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/base_test.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/test_connectivity.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/test_correlation.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/test_mixing.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/test_neighbor_degree.py
/usr/lib/python3/dist-packages/networkx/algorithms/assortativity/tests/test_pairs.py