code: def forward(self, x):
      return channel_shuffle(x, self.groups)
  
imports: import numpy
  from torch.autograd import Variable
  from pytorch2keras.converter import pytorch_to_keras
  import torch
  import torch.nn
  import torch.nn.functional
  import torch.nn.init
label_desc: Use image node_id 2 for calling the ChannelShuffle obj's underlying member method code with example usage: obj.forward(x) and returns: channel_shuffle