/usr/share/pyshared/ is in python-zope.app.appsetup 3.16.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/zope/
/usr/share/pyshared/zope.app.appsetup-3.16.0-nspkg.pth
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/PKG-INFO
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/SOURCES.txt
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/dependency_links.txt
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/entry_points.txt
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/namespace_packages.txt
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/not-zip-safe
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/requires.txt
/usr/share/pyshared/zope.app.appsetup-3.16.0.egg-info/top_level.txt
/usr/share/pyshared/zope/app/
/usr/share/pyshared/zope/app/appsetup/
/usr/share/pyshared/zope/app/appsetup/__init__.py
/usr/share/pyshared/zope/app/appsetup/appsetup.py
/usr/share/pyshared/zope/app/appsetup/bootstrap.py
/usr/share/pyshared/zope/app/appsetup/bootstrap.txt
/usr/share/pyshared/zope/app/appsetup/configure.zcml
/usr/share/pyshared/zope/app/appsetup/controller.py
/usr/share/pyshared/zope/app/appsetup/debug.py
/usr/share/pyshared/zope/app/appsetup/debug.txt
/usr/share/pyshared/zope/app/appsetup/errorlog.py
/usr/share/pyshared/zope/app/appsetup/ftesting.zcml
/usr/share/pyshared/zope/app/appsetup/interfaces.py
/usr/share/pyshared/zope/app/appsetup/product.py
/usr/share/pyshared/zope/app/appsetup/product.txt
/usr/share/pyshared/zope/app/appsetup/schema/
/usr/share/pyshared/zope/app/appsetup/schema/productconfig.xml
/usr/share/pyshared/zope/app/appsetup/schema/schema.xml
/usr/share/pyshared/zope/app/appsetup/session.py
/usr/share/pyshared/zope/app/appsetup/testdata/
/usr/share/pyshared/zope/app/appsetup/testdata/pythonstartup
/usr/share/pyshared/zope/app/appsetup/testdata/site.zcml
/usr/share/pyshared/zope/app/appsetup/testdata/test.conf
/usr/share/pyshared/zope/app/appsetup/testlayer.py
/usr/share/pyshared/zope/app/appsetup/testlayer.txt
/usr/share/pyshared/zope/app/appsetup/testpackage/
/usr/share/pyshared/zope/app/appsetup/testpackage/__init__.py
/usr/share/pyshared/zope/app/appsetup/testpackage/ftesting.zcml
/usr/share/pyshared/zope/app/appsetup/testpackage/testobject.py
/usr/share/pyshared/zope/app/appsetup/testproduct/
/usr/share/pyshared/zope/app/appsetup/testproduct/__init__.py
/usr/share/pyshared/zope/app/appsetup/testproduct/component.xml
/usr/share/pyshared/zope/app/appsetup/tests.py