/usr/share/pyshared/paste/util/ is in python-paste 1.7.5.1-4ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/paste/util/PySourceColor.py
/usr/share/pyshared/paste/util/UserDict24.py
/usr/share/pyshared/paste/util/__init__.py
/usr/share/pyshared/paste/util/classinit.py
/usr/share/pyshared/paste/util/classinstance.py
/usr/share/pyshared/paste/util/converters.py
/usr/share/pyshared/paste/util/dateinterval.py
/usr/share/pyshared/paste/util/datetimeutil.py
/usr/share/pyshared/paste/util/doctest24.py
/usr/share/pyshared/paste/util/filemixin.py
/usr/share/pyshared/paste/util/finddata.py
/usr/share/pyshared/paste/util/findpackage.py
/usr/share/pyshared/paste/util/import_string.py
/usr/share/pyshared/paste/util/intset.py
/usr/share/pyshared/paste/util/ip4.py
/usr/share/pyshared/paste/util/killthread.py
/usr/share/pyshared/paste/util/looper.py
/usr/share/pyshared/paste/util/mimeparse.py
/usr/share/pyshared/paste/util/multidict.py
/usr/share/pyshared/paste/util/quoting.py
/usr/share/pyshared/paste/util/scgiserver.py
/usr/share/pyshared/paste/util/string24.py
/usr/share/pyshared/paste/util/subprocess24.py
/usr/share/pyshared/paste/util/template.py
/usr/share/pyshared/paste/util/threadedprint.py
/usr/share/pyshared/paste/util/threadinglocal.py