/usr/share/pyshared/mpl_toolkits/ is in python-matplotlib 1.3.1-1ubuntu5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/mpl_toolkits/__init__.py
/usr/share/pyshared/mpl_toolkits/axes_grid/
/usr/share/pyshared/mpl_toolkits/axes_grid/__init__.py
/usr/share/pyshared/mpl_toolkits/axes_grid/anchored_artists.py
/usr/share/pyshared/mpl_toolkits/axes_grid/angle_helper.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axes_divider.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axes_grid.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axes_rgb.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axes_size.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axis_artist.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axisline_style.py
/usr/share/pyshared/mpl_toolkits/axes_grid/axislines.py
/usr/share/pyshared/mpl_toolkits/axes_grid/clip_path.py
/usr/share/pyshared/mpl_toolkits/axes_grid/colorbar.py
/usr/share/pyshared/mpl_toolkits/axes_grid/floating_axes.py
/usr/share/pyshared/mpl_toolkits/axes_grid/grid_finder.py
/usr/share/pyshared/mpl_toolkits/axes_grid/grid_helper_curvelinear.py
/usr/share/pyshared/mpl_toolkits/axes_grid/inset_locator.py
/usr/share/pyshared/mpl_toolkits/axes_grid/parasite_axes.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/
/usr/share/pyshared/mpl_toolkits/axes_grid1/__init__.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/anchored_artists.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/axes_divider.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/axes_grid.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/axes_rgb.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/axes_size.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/colorbar.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/inset_locator.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/mpl_axes.py
/usr/share/pyshared/mpl_toolkits/axes_grid1/parasite_axes.py
/usr/share/pyshared/mpl_toolkits/axisartist/
/usr/share/pyshared/mpl_toolkits/axisartist/__init__.py
/usr/share/pyshared/mpl_toolkits/axisartist/angle_helper.py
/usr/share/pyshared/mpl_toolkits/axisartist/axis_artist.py
/usr/share/pyshared/mpl_toolkits/axisartist/axisline_style.py
/usr/share/pyshared/mpl_toolkits/axisartist/axislines.py
/usr/share/pyshared/mpl_toolkits/axisartist/clip_path.py
/usr/share/pyshared/mpl_toolkits/axisartist/floating_axes.py
/usr/share/pyshared/mpl_toolkits/axisartist/grid_finder.py
/usr/share/pyshared/mpl_toolkits/axisartist/grid_helper_curvelinear.py
/usr/share/pyshared/mpl_toolkits/exceltools.py
/usr/share/pyshared/mpl_toolkits/gtktools.py
/usr/share/pyshared/mpl_toolkits/mplot3d/
/usr/share/pyshared/mpl_toolkits/mplot3d/__init__.py
/usr/share/pyshared/mpl_toolkits/mplot3d/art3d.py
/usr/share/pyshared/mpl_toolkits/mplot3d/axes3d.py
/usr/share/pyshared/mpl_toolkits/mplot3d/axis3d.py
/usr/share/pyshared/mpl_toolkits/mplot3d/proj3d.py