code: def biattention(params):
      return BiModalAttention.from_params(params.duplicate())
  
file_path: allennlp/tests/modules/transformer/bimodal_attention_test.py
imports: import torch
  import pytest
  from allennlp.common import Params
  from allennlp.modules.transformer import BiModalAttention
label_desc: Use image node_id 3 for calling a global function with example usage: biattention(params) and returns: BiModalAttention