code: def fix_wrong_open_stuff_unary(
      gold_transition,
      pred_transition,
      gold_sequence,
      gold_index,
      root_labels,
  ):
      """
      Fix a wrong open/open when there is an intervening constituent and then the guessed NT
  
      This happens when the correct pattern is
        stuff_1 NT_X stuff_2 close NT_Y ...
      and instead of guessing the gold transition NT_X,
      the prediction was NT_Y
      """
      if gold_transition == pred_transition:
          return None
  
      if not isinstance(gold_transition, OpenConstituent):
          return None
      if not isinstance(pred_transition, OpenConstituent):
          return None
      # TODO: Here we could advance past unary transitions while
      # watching for hitting pred_transition.  However, that is an open
      # question... is it better to try to keep such an Open as part of
      # the sequence, or is it better to skip them and attach the inner
      # nodes to the upper level
      stuff_start = gold_index + 1
      if not isinstance(gold_sequence[stuff_start], Shift):
          return None
      stuff_end = advance_past_constituents(gold_sequence, stuff_start)
      if stuff_end is None:
          return None
      # at this point, stuff_end points to the Close which occurred after stuff_2
      # also, stuff_start points to the first transition which makes stuff_2, the Shift
      cur_index = stuff_end + 1
      while isinstance(gold_sequence[cur_index], OpenConstituent):
          if gold_sequence[cur_index] == pred_transition:
              return (
                  gold_sequence[:gold_index]
                  + [pred_transition]
                  + gold_sequence[stuff_start:stuff_end]
                  + gold_sequence[cur_index + 1 :]
              )
          # this was an OpenConstituent, but not the OpenConstituent we guessed
          # maybe there's a unary transition which lets us try again
          if cur_index + 2 < len(gold_sequence) and isinstance(
              gold_sequence[cur_index + 1], CloseConstituent
          ):
              cur_index = cur_index + 2
          else:
              break
  
      # oh well, none of this worked
      return None
  
imports: from enum import Enum, auto
  from stanza.models.constituency.dynamic_oracle import DynamicOracle
  from stanza.models.constituency.parse_transitions import Shift, OpenConstituent, CloseConstituent
label_desc: Use image node_id 6 for calling a global function with example usage: fix_wrong_open_stuff_unary(gold_transition, pred_transition, gold_sequence, gold_index, root_labels) and returns: None, None, None, None, None, None, unknown