/usr/include/python2.7_d/pyexpat.h is in libpython2.7-dbg 2.7.6-8ubuntu0.5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/include/python2.7_d/../python2.7/pyexpat.h
/usr/include/python2.7_d/../python2.7/pyexpat.h