/usr/lib/python2.7/dist-packages/reportlab/graphics/samples/clustered_column.py is in python-reportlab 2.5-1.1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/reportlab/graphics/samples/../../../../../../share/pyshared/reportlab/graphics/samples/clustered_column.py