/usr/share/pyshared/ is in python-zope.password 3.6.1-0ubuntu5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/zope/
/usr/share/pyshared/zope.password-3.6.1-nspkg.pth
/usr/share/pyshared/zope.password-3.6.1.egg-info/
/usr/share/pyshared/zope.password-3.6.1.egg-info/PKG-INFO
/usr/share/pyshared/zope.password-3.6.1.egg-info/SOURCES.txt
/usr/share/pyshared/zope.password-3.6.1.egg-info/dependency_links.txt
/usr/share/pyshared/zope.password-3.6.1.egg-info/namespace_packages.txt
/usr/share/pyshared/zope.password-3.6.1.egg-info/not-zip-safe
/usr/share/pyshared/zope.password-3.6.1.egg-info/requires.txt
/usr/share/pyshared/zope.password-3.6.1.egg-info/top_level.txt
/usr/share/pyshared/zope/password/
/usr/share/pyshared/zope/password/__init__.py
/usr/share/pyshared/zope/password/configure.zcml
/usr/share/pyshared/zope/password/interfaces.py
/usr/share/pyshared/zope/password/password.py
/usr/share/pyshared/zope/password/testing.py
/usr/share/pyshared/zope/password/tests/
/usr/share/pyshared/zope/password/tests/__init__.py
/usr/share/pyshared/zope/password/tests/test_password.py
/usr/share/pyshared/zope/password/tests/test_zpasswd.py
/usr/share/pyshared/zope/password/vocabulary.py
/usr/share/pyshared/zope/password/zpasswd.py