/usr/lib/python2.7/dist-packages/PyNAST-1.1.egg-info is in pynast 1.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/../../../share/pyshared/PyNAST-1.1.egg-info
/usr/lib/python2.7/dist-packages/../../../share/pyshared/PyNAST-1.1.egg-info