/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/ is in python-reportlab 3.1.8-3+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/__init__.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/areas.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/axes.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/barcharts.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/dotbox.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/doughnut.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/legends.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/linecharts.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/lineplots.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/markers.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/piecharts.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/slidebox.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/spider.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/textlabels.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/utils.py
/usr/lib/python2.7/dist-packages/reportlab/graphics/charts/utils3d.py