code: def forward(self, x, weight):
      return F.linear(x, weight, self.bias)
  
file_path: ColossalAI/tests/kit/model_zoo/custom/nested_model.py
imports: import torch
  import torch.nn
  import torch.nn.functional
  from ..registry import model_zoo
  from .base import CheckpointModule
label_desc: Use image node_id 2 for calling the SubNet obj's underlying member method code with example usage: obj.forward(x, weight) and returns: F