/usr/lib/python2.6/dist-packages/odtexport/xsl/styles/main-styles.xsl is in trac-odtexport 0.6.0+svn10787-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/odtexport/xsl/styles/../../../../../../share/pyshared/odtexport/xsl/styles/main-styles.xsl