code: def forward(self, x):
      branch1 = self.branch1(x)
      branch2 = self.branch2(x)
      branch3 = self.branch3(x)
      branch4 = self.branch4(x)
  
      outputs = [branch1, branch2, branch3, branch4]
      return torch.cat(outputs, 1)
  
file_path: deep-learning-for-image-processing/pytorch_classification/Test4_googlenet/model.py
imports: import torch.nn
  import torch
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the Inception obj's underlying member method code with example usage: obj.forward(x) and returns: torch