def _pretty_fe_relation(ferel):
 outstr = u'<{0.type.superFrameName}={0.frameRelation.superFrameName}.{0.superFEName} -- {0.type.name} -> {0.type.subFrameName}={0.frameRelation.subFrameName}.{0.subFEName}>'.format(ferel)
 return outstr

def _pretty_fe_relation ( ferel ) : outstr = u'<{0.type.superFrameName}={0.frameRelation.superFrameName}.{0.superFEName} -- {0.type.name} -> {0.type.subFrameName}={0.frameRelation.subFrameName}.{0.subFEName}>' . format ( ferel ) return outstr
helper function for pretty-printing an fe relation .