/usr/lib/python2.7/dist-packages/cviewer/visualization/ is in connectomeviewer 2.1.0-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/cviewer/visualization/__init__.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/matrix/
/usr/lib/python2.7/dist-packages/cviewer/visualization/matrix/__init__.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/matrix/cmatrix_viewer.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/matrix/con_matrix_viewer.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/matrix/matrix_viewer_old.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/setup.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/volume/
/usr/lib/python2.7/dist-packages/cviewer/visualization/volume/__init__.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/volume/thread_volslice.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/volume/volume_slicer.py
/usr/lib/python2.7/dist-packages/cviewer/visualization/volume/volume_slicer_advanced.py