/usr/lib/python2.7/dist-packages/nibabel/streamlines/ is in python-nibabel 2.2.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/nibabel/streamlines/__init__.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/array_sequence.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/header.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tck.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/__init__.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_array_sequence.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_streamlines.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_tck.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_tractogram.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_tractogram_file.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_trk.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tests/test_utils.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tractogram.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/tractogram_file.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/trk.py
/usr/lib/python2.7/dist-packages/nibabel/streamlines/utils.py