code: def args(self):
      return self._func.args
  
imports: from functools import partial
  import nnabla
  import nnabla.function
  import nnabla.functions
  import numpy
  from nnabla.function import PythonFunction
  from .utils import force_tuple
label_desc: Use image node_id 3 for calling the BatchNormalizationBackward obj's underlying member method code with example usage: obj.args() and returns: self