code: def model_name():
      return "t5-small"
  
file_path: allennlp/tests/modules/transformer/t5_test.py
imports: import pytest
  import torch
  from transformers.models import t5
  from allennlp.modules.transformer.t5 import T5
  from allennlp.nn.parallel import FairScaleFsdpAccelerator
  from allennlp.common.testing import run_distributed_test, requires_multi_gpu
label_desc: Use image node_id 2 for calling a global function with example usage: model_name() and returns: str