code: def forward(self, x):
      if self.updown:
          in_rest, in_conv = self.in_layers[:-1], self.in_layers[-1]
          h = in_rest(x)
          h = self.h_upd(h)
          x = self.x_upd(x)
          h = in_conv(h)
      else:
          h = self.in_layers(x)
      h = self.out_layers(h)
      return self.skip_connection(x) + h
  
imports: import functools
  import math
  import os
  import fsspec
  import torch
  import torch.nn
  import torch.nn.functional
  import torchaudio
  from transformers import LogitsWarper
  from TTS.tts.layers.tortoise.xtransformers import ContinuousTransformerWrapper, RelativePositionBias
label_desc: Use image node_id 2 for calling the ResBlock obj's underlying member method code with example usage: obj.forward(x) and returns: unknown