code: def forward(self, x, y):
      return self.main(x)
  
file_path: insightface/body/human_pose/ambiguity_aware/lib/models/simple_model.py
imports: from __future__ import absolute_import
  from __future__ import print_function
  import torch.nn
label_desc: Use image node_id 2 for calling the LinearModelAfter obj's underlying member method code with example usage: obj.forward(x, y) and returns: self