code: def extra_args_parser(parser=None, skip_args=None, **kwargs):
          
          if skip_args is None:
              skip_args = []
          parser, actions = MCMCMetadataIO.extra_args_parser(
              parser=parser, skip_args=skip_args, **kwargs)
          if 'temps' not in skip_args:
              act = parser.add_argument(
                  "--temps", nargs="+", default=0, action=ParseTempsArg,
                  help="Get the given temperatures. May provide either a "
                       "sequence of integers specifying the temperatures to "
                       "plot, or 'all' for all temperatures. Default is to only "
                       "plot the coldest (= 0) temperature chain.")
              actions.append(act)
          return parser, actions
docs: Adds --temps to MCMCIO parser.