code: def __init__(self):
      super().__init__()
      self.loss_fn = nn.CrossEntropyLoss()
  
file_path: colossalai/tests/test_fx/test_profiler/gpt_utils.py
imports: import torch.nn
  from transformers import GPT2Config, GPT2LMHeadModel
label_desc: Use image node_id 1 to create a new GPTLMLoss object from inherited base classes: nn with example: obj = GPTLMLoss()