code: def add_train_ops(self, net):
      self._add_ops(net, is_test=False)
  
file_path: pytorch/caffe2/python/layers/dropout.py
imports: from caffe2.python import schema
  from caffe2.python.layers.layers import ModelLayer
label_desc: Use image node_id 3 for calling the Dropout obj's underlying member method code with example usage: obj.add_train_ops(net) without return types