code: def _forward(
      self, sample, timestamp, encoder_hidden_states, return_dict=True
  ):
      return self.unet(
          sample, timestamp, encoder_hidden_states, return_dict
      )
  
imports: import torch
label_desc: Use image node_id 5 for calling the DSUNet obj's underlying member method code with example usage: obj._forward(sample, timestamp, encoder_hidden_states, return_dict) and returns: self