/usr/lib/python2.7/xml/ is in libpython2.7-stdlib 2.7.6-8ubuntu0.5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/xml/__init__.py
/usr/lib/python2.7/xml/dom/
/usr/lib/python2.7/xml/dom/NodeFilter.py
/usr/lib/python2.7/xml/dom/__init__.py
/usr/lib/python2.7/xml/dom/domreg.py
/usr/lib/python2.7/xml/dom/expatbuilder.py
/usr/lib/python2.7/xml/dom/minicompat.py
/usr/lib/python2.7/xml/dom/minidom.py
/usr/lib/python2.7/xml/dom/pulldom.py
/usr/lib/python2.7/xml/dom/xmlbuilder.py
/usr/lib/python2.7/xml/etree/
/usr/lib/python2.7/xml/etree/ElementInclude.py
/usr/lib/python2.7/xml/etree/ElementPath.py
/usr/lib/python2.7/xml/etree/ElementTree.py
/usr/lib/python2.7/xml/etree/__init__.py
/usr/lib/python2.7/xml/etree/cElementTree.py
/usr/lib/python2.7/xml/parsers/
/usr/lib/python2.7/xml/parsers/__init__.py
/usr/lib/python2.7/xml/parsers/expat.py
/usr/lib/python2.7/xml/sax/
/usr/lib/python2.7/xml/sax/__init__.py
/usr/lib/python2.7/xml/sax/_exceptions.py
/usr/lib/python2.7/xml/sax/expatreader.py
/usr/lib/python2.7/xml/sax/handler.py
/usr/lib/python2.7/xml/sax/saxutils.py
/usr/lib/python2.7/xml/sax/xmlreader.py