docstr: Asserts that two numpy arrays are close.
code: def _assert_all_close(self, x, y):
      """Asserts that two numpy arrays are close."""
      self.assertEqual(len(x), len(y))
      self.assertTrue(np.allclose(x, y, rtol=1e-8, atol=0))
  
file_path: privacy/research/pate_2018/smooth_sensitivity_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import unittest
  import numpy
  import smooth_sensitivity
label_desc: Use image node_id 2 for calling the PateSmoothSensitivityTest obj's underlying member method code with example usage: obj._assert_all_close(x, y) without return types