code: def _kl_func(self, x, y):
      eps = 1e-7
      return x * np.log(x + eps) - x * np.log(y + eps)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import neural_structured_learning.configs
  from neural_structured_learning.lib import distances
  import numpy
  import tensorflow
label_desc: Use image node_id 1 for calling the DistancesTest obj's underlying member method code with example usage: obj._kl_func(x, y) and returns: unknown