code: def forward(self, x):
      return sum([fn(x) for fn in self.fns])
  
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 Parallel obj's underlying member method code with example usage: obj.forward(x) and returns: sum