class_docstr: Helper class for SELayer design.
class_docstr_tok: ["Helper","class","for","SELayer","design","."]
code: def forward(self, x):
      return NotImplementedError()
  
imports: import torch
  import torch.nn
label_desc: Use image node_id 2 for calling the SELayer obj's underlying member method code with example usage: obj.forward(x) and returns: NotImplementedError