code: def forward(self, feature):
      feature = self.cnn(feature)
      return feature
  
imports: from collections import OrderedDict
  import torch
  import torch.nn
  import torch.nn.functional
  from nemo.core.classes.common import typecheck
  from nemo.core.classes.exportable import Exportable
  from nemo.core.classes.module import NeuralModule
  from nemo.core.neural_types import EncodedRepresentation, LengthsType, NeuralType, SpectrogramType
  from nemo.core.neural_types.elements import ProbsType
label_desc: Use image node_id 2 for calling the ConvLayer obj's underlying member method code with example usage: obj.forward(feature) and returns: feature