code: def forward(self, x, joint_sc):
      a = torch.cat([x, joint_sc], dim=-1)
      x = self.main(x)
      a = self.sc(a)
      return x + a
  
file_path: insightface/body/human_pose/ambiguity_aware/lib/models/building_blocks.py
imports: import math
  import torch
  import torch.nn
  from torch.nn.utils import spectral_norm
label_desc: Use image node_id 2 for calling the ResBlock obj's underlying member method code with example usage: obj.forward(x, joint_sc) and returns: unknown