psi4/psi4release — pull request #23 by jsspencer (2013-10-12 16:42:55+00:00)
Title: Python 2 and Python 3 compatible imports.

Python 3 does not handle relative imports in the same way as Python
3 (see http://www.python.org/dev/peps/pep-0328/). By making the imports
explicit, psi4 can correctly import p4const and p4util submodules under
both versions of python.