code: def parse_segdict_key(self, key):
          
          splt = key.split(':')
          if len(splt) == 2:
              return splt[0], splt[1]
          else:
              err_msg = "Key should be of the format 'ifo:name', got %s." %(key,)
              raise ValueError(err_msg)
docs: Return ifo and name from the segdict key.