code: def forward(self, x):
      for block in self.blocks:
          x = block(x)
  
      return x
  
imports: from typing import Optional, Tuple
  import torch
  import torch.nn
  from torch.fx import GraphModule
  from transformers.pytorch_utils import Conv1D
  from colossalai._analyzer.fx.passes import shape_prop_pass
  from colossalai._analyzer.fx.tracer.tracer import ColoTracer
  from colossalai.auto_parallel.tensor_shard.utils.factory import find_repeat_blocks
  from colossalai.testing import clear_cache_before_run, parameterize, run_on_environment_flag
label_desc: Use image node_id 2 for calling the NonRepeatModel obj's underlying member method code with example usage: obj.forward(x) and returns: x