code: def ResBlock_forward(self, x, emb):
      return checkpoint(self._forward, x, emb)
  
imports: from torch.utils.checkpoint import checkpoint
  import ldm.modules.attention
  import ldm.modules.diffusionmodules.openaimodel
label_desc: Use image node_id 3 for calling a global function with example usage: ResBlock_forward(x, emb) and returns: checkpoint