code: def params(params_dict):
      return Params(params_dict)
  
file_path: allennlp/tests/modules/transformer/self_attention_test.py
imports: import copy
  import torch
  import pytest
  from transformers import AutoModel
  from allennlp.common import Params
  from allennlp.modules.transformer.attention_module import SelfAttention
  from allennlp.nn.util import min_value_of_dtype
label_desc: Use image node_id 2 for calling a global function with example usage: params(params_dict) and returns: Params