/usr/share/pyshared/ is in python-egenix-mxtools 3.2.1-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/mx/Misc/__init__.py
/usr/share/pyshared/mx/
/usr/share/pyshared/mx/Misc/
/usr/share/pyshared/mx/Misc/CSV.py
/usr/share/pyshared/mx/Misc/Cache.py
/usr/share/pyshared/mx/Misc/CommandLine.py
/usr/share/pyshared/mx/Misc/ConfigFile.py
/usr/share/pyshared/mx/Misc/Cookie.py
/usr/share/pyshared/mx/Misc/Daemon.py
/usr/share/pyshared/mx/Misc/ExitFunctions.py
/usr/share/pyshared/mx/Misc/FileLock.py
/usr/share/pyshared/mx/Misc/LazyModule.py
/usr/share/pyshared/mx/Misc/Namespace.py
/usr/share/pyshared/mx/Misc/OrderedMapping.py
/usr/share/pyshared/mx/Misc/PackageTools.py
/usr/share/pyshared/mx/Misc/COPYRIGHT
/usr/share/pyshared/mx/Tools/
/usr/share/pyshared/mx/Tools/mxTools/
/usr/share/pyshared/mx/Tools/mxTools/__init__.py
/usr/share/pyshared/mx/Tools/mxTools/bench1.py
/usr/share/pyshared/mx/Tools/mxTools/bench2.py
/usr/share/pyshared/mx/Tools/mxTools/hack.py
/usr/share/pyshared/mx/Tools/mxTools/test.py
/usr/share/pyshared/mx/Tools/mxTools/test_safecall.py
/usr/share/pyshared/mx/Tools/NewBuiltins.py
/usr/share/pyshared/mx/Tools/Tools.py
/usr/share/pyshared/mx/Tools/__init__.py
/usr/share/pyshared/mx/Log.py
/usr/share/pyshared/mx/NewBuiltins.py
/usr/share/pyshared/mx/__init__.py