code: def set_autostep(self, val):
          
          if val is None:
              # disabled by default for pdsh compat (+inf is 1E400, but a bug in
              # python 2.4 makes it impossible to be pickled, so we use less)
              # NOTE: Later, we could consider sys.maxint here
              self._autostep = 1E100
          else:
              # - 1 because user means node count, but we means real steps
              self._autostep = int(val) - 1
docs: Set autostep value (property)