class_docstr: Identity module.
class_docstr_tok: ["Identity","module","."]
code: def __init__(self, in_ch, out_ch, stride=1, fm_size=7):
      super(Identity, self).__init__()
      self.conv = (
          conv_bn(in_ch, out_ch, kernel=1, stride=stride, pad=0)
          if in_ch != out_ch or stride != 1
          else None
      )
  
imports: from __future__ import absolute_import, division, print_function
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 1 to create a new Identity object from inherited base classes: nn with example: obj = Identity(in_ch, out_ch, stride, fm_size)