/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/ is in python-matplotlib 1.4.2-3.1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/__init__.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/anchored_artists.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/axes_divider.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/axes_grid.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/axes_rgb.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/axes_size.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/colorbar.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/inset_locator.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/mpl_axes.py
/usr/lib/python2.7/dist-packages/mpl_toolkits/axes_grid1/parasite_axes.py