code: def forward(self, x):
      x = self.conv(x)
      x = self.conv_transpose(x)
      return x
  
file_path: ColossalAI/tests/test_analyzer/test_fx/test_mod_dir.py
imports: import pytest
  import torch
  from colossalai.testing import clear_cache_before_run, parameterize
label_desc: Use image node_id 2 for calling the ConvModel obj's underlying member method code with example usage: obj.forward(x) and returns: x