/usr/lib/python2.6/dist-packages/bitten/build/javatools.py is in trac-bitten-slave 0.6+final-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/bitten/build/../../../../../share/pyshared/bitten/build/javatools.py