/usr/share/pyshared/ is in python-zope.file 0.6.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/zope/
/usr/share/pyshared/zope/file/
/usr/share/pyshared/zope/file/browser.py
/usr/share/pyshared/zope/file/interfaces.py
/usr/share/pyshared/zope/file/menus.zcml
/usr/share/pyshared/zope/file/upload.txt
/usr/share/pyshared/zope/file/i18n.py
/usr/share/pyshared/zope/file/browser.zcml
/usr/share/pyshared/zope/file/download.txt
/usr/share/pyshared/zope/file/contenttype.py
/usr/share/pyshared/zope/file/contenttype.txt
/usr/share/pyshared/zope/file/configure.zcml
/usr/share/pyshared/zope/file/browser.txt
/usr/share/pyshared/zope/file/tests.py
/usr/share/pyshared/zope/file/testing.py
/usr/share/pyshared/zope/file/README.txt
/usr/share/pyshared/zope/file/__init__.py
/usr/share/pyshared/zope/file/ftesting.zcml
/usr/share/pyshared/zope/file/upload.py
/usr/share/pyshared/zope/file/adapters.txt
/usr/share/pyshared/zope/file/download.py
/usr/share/pyshared/zope/file/file.py
/usr/share/pyshared/zope/file/event.py
/usr/share/pyshared/zope/file/adapters.py
/usr/share/pyshared/zope.file-0.6.2-nspkg.pth
/usr/share/pyshared/zope.file-0.6.2.egg-info/
/usr/share/pyshared/zope.file-0.6.2.egg-info/SOURCES.txt
/usr/share/pyshared/zope.file-0.6.2.egg-info/not-zip-safe
/usr/share/pyshared/zope.file-0.6.2.egg-info/top_level.txt
/usr/share/pyshared/zope.file-0.6.2.egg-info/PKG-INFO
/usr/share/pyshared/zope.file-0.6.2.egg-info/requires.txt
/usr/share/pyshared/zope.file-0.6.2.egg-info/dependency_links.txt
/usr/share/pyshared/zope.file-0.6.2.egg-info/namespace_packages.txt