/usr/lib/python3/dist-packages/nibabel/externals/ is in python3-nibabel 2.0.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/nibabel/externals/__init__.py
/usr/lib/python3/dist-packages/nibabel/externals/netcdf.py
/usr/lib/python3/dist-packages/nibabel/externals/ordereddict.py
/usr/lib/python3/dist-packages/nibabel/externals/six.py
/usr/lib/python3/dist-packages/nibabel/externals/tests/
/usr/lib/python3/dist-packages/nibabel/externals/tests/__init__.py
/usr/lib/python3/dist-packages/nibabel/externals/tests/data/
/usr/lib/python3/dist-packages/nibabel/externals/tests/data/example_1.nc
/usr/lib/python3/dist-packages/nibabel/externals/tests/test_netcdf.py
/usr/lib/python3/dist-packages/nibabel/externals/tests/test_ordereddict.py