code: def attention_mask_func(attention_scores, attention_mask):
      attention_scores.masked_fill_(attention_mask, -10000.0)
      return attention_scores
  
imports: import itertools
  import math
  from typing import Dict, Iterator, List, Tuple, Union
  import torch
  import torch.nn
  from torch import Tensor
label_desc: Use image node_id 6 for calling a global function with example usage: attention_mask_func(attention_scores, attention_mask) and returns: attention_scores