/usr/share/pyshared/bzrlib/plugins/loom/ is in bzr-loom 2.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/bzrlib/plugins/loom/__init__.py
/usr/share/pyshared/bzrlib/plugins/loom/branch.py
/usr/share/pyshared/bzrlib/plugins/loom/commands.py
/usr/share/pyshared/bzrlib/plugins/loom/formats.py
/usr/share/pyshared/bzrlib/plugins/loom/loom_io.py
/usr/share/pyshared/bzrlib/plugins/loom/loom_state.py
/usr/share/pyshared/bzrlib/plugins/loom/revspec.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/
/usr/share/pyshared/bzrlib/plugins/loom/tests/__init__.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/blackbox.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/test_branch.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/test_loom_io.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/test_loom_state.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/test_revspec.py
/usr/share/pyshared/bzrlib/plugins/loom/tests/test_tree.py
/usr/share/pyshared/bzrlib/plugins/loom/tree.py
/usr/share/pyshared/bzrlib/plugins/loom/version.py