code: def _compute_shape(self, input_shape):
      return input_shape
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import absolute_import
  import sys
  import os
  import numpy
  from collections import namedtuple
  from collections import OrderedDict
  from collections import defaultdict
  import deeplift.util
  from .helper_functions import pseudocount_near_zero, add_val_to_col
  from .None import helper_functions
  from .core import SingleInputMixin, Node
  import tensorflow
label_desc: Use image node_id 2 for calling the BatchNormalization obj's underlying member method code with example usage: obj._compute_shape(input_shape) and returns: input_shape