msg=[bar,'[Unmet Dependency] PDBFixer requires OpenMM version 5.2 or later. You have version %s.'%openmm_version,bar]
else:
msg=[bar,'[Unmet Dependency] PDBFixer requires the OpenMM python package. Refer to <http://openmm.org> for details and installation instructions.',bar]
ifnotfound_numpy:
msg=[bar,'[Unmet Dependency] PDBFixer requires the numpy python package. Refer to <http://www.scipy.org/scipylib/download.html> for numpy installation instructions.',bar]