class_docstr: ResidualBlock
  introduced in: https://arxiv.org/abs/1512.03385
  recommended architecture: http://torch.ch/blog/2016/02/04/resnets.html
class_docstr_tok: ["ResidualBlock","introduced","in",":","https",":","\/\/arxiv.org\/abs\/1512.03385","recommended","architecture",":","http",":","\/\/torch.ch\/blog\/2016\/02\/04\/resnets.html"]
code: def forward(self, x):
      residual = x
      out = self.relu(self.in1(self.conv1(x)))
      out = self.in2(self.conv2(out))
      out = out + residual
      return out
  
file_path: ignite/examples/fast_neural_style/transformer_net.py
imports: import torch
label_desc: Use image node_id 2 for calling the ResidualBlock obj's underlying member method code with example usage: obj.forward(x) and returns: out