/usr/lib/python2.7/dist-packages/bzrlib/doc/ is in python-bzrlib 2.7.0-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/bzrlib/doc/__init__.py
/usr/lib/python2.7/dist-packages/bzrlib/doc/api/
/usr/lib/python2.7/dist-packages/bzrlib/doc/api/__init__.py
/usr/lib/python2.7/dist-packages/bzrlib/doc/api/branch.txt
/usr/lib/python2.7/dist-packages/bzrlib/doc/api/transport.txt
/usr/lib/python2.7/dist-packages/bzrlib/doc_generate/__init__.py
/usr/lib/python2.7/dist-packages/bzrlib/doc_generate/autodoc_bash_completion.py
/usr/lib/python2.7/dist-packages/bzrlib/doc_generate/autodoc_man.py
/usr/lib/python2.7/dist-packages/bzrlib/doc_generate/autodoc_rstx.py
/usr/lib/python2.7/dist-packages/bzrlib/doc_generate/conf.py