/usr/share/pyshared/fixtures/ is in python-fixtures 0.3.6-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/fixtures/__init__.py
/usr/share/pyshared/fixtures/_fixtures/
/usr/share/pyshared/fixtures/_fixtures/__init__.py
/usr/share/pyshared/fixtures/_fixtures/environ.py
/usr/share/pyshared/fixtures/_fixtures/monkeypatch.py
/usr/share/pyshared/fixtures/_fixtures/packagepath.py
/usr/share/pyshared/fixtures/_fixtures/popen.py
/usr/share/pyshared/fixtures/_fixtures/pythonpackage.py
/usr/share/pyshared/fixtures/_fixtures/pythonpath.py
/usr/share/pyshared/fixtures/_fixtures/tempdir.py
/usr/share/pyshared/fixtures/fixture.py
/usr/share/pyshared/fixtures/testcase.py
/usr/share/pyshared/fixtures/tests/
/usr/share/pyshared/fixtures/tests/__init__.py
/usr/share/pyshared/fixtures/tests/_fixtures/
/usr/share/pyshared/fixtures/tests/_fixtures/__init__.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_environ.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_monkeypatch.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_packagepath.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_popen.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_pythonpackage.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_pythonpath.py
/usr/share/pyshared/fixtures/tests/_fixtures/test_tempdir.py
/usr/share/pyshared/fixtures/tests/helpers.py
/usr/share/pyshared/fixtures/tests/test_fixture.py
/usr/share/pyshared/fixtures/tests/test_testcase.py