/usr/lib/python2.7/dist-packages/mpi_kmeans.py is in python-mpikmeans 1.5+dfsg-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/../../../share/pyshared/mpi_kmeans.py
/usr/lib/python2.7/dist-packages/../../../share/pyshared/mpi_kmeans.py