code: def __init__(self, ctx, axes):
      super(TransposeDataGrad, self).__init__(ctx)
      self._func = _F.Transpose(ctx, axes)
  
file_path: nnabla/python/src/nnabla/backward_function/transpose.py
imports: import nnabla
  import nnabla.function
  import nnabla.functions
  from .backward_function import UnaryDataGrad
label_desc: Use image node_id 1 to create a new TransposeDataGrad object from inherited base classes: UnaryDataGrad with example: obj = TransposeDataGrad(ctx, axes)