code: def forward(self, x):
      for attns, ffs in self.layers:
          x = attns(x) + x
          x = ffs(x) + x
      return x
  
imports: import torch
  from torch import nn
  from einops import rearrange, repeat
  from einops.layers.torch import Rearrange
label_desc: Use image node_id 2 for calling the Transformer obj's underlying member method code with example usage: obj.forward(x) and returns: x