class_docstr: Unit test for the distances computed in this script.
class_docstr_tok: ["Unit","test","for","the","distances","computed","in","this","script","."]
code: def test_local_levenshtein(self):
      self.assertEqual(levenshtein(self.S, self.T), 2)
      self.assertEqual(levenshtein(self.S, self.S), 0)
      self.assertEqual(levenshtein(self.T, self.T), 0)
      self.assertEqual(levenshtein(self.S, ""), len(self.S))
      self.assertEqual(levenshtein(self.T, ""), len(self.T))
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import copy
  import unittest
  import numpy
  import turicreate
  from turicreate.toolkits._main import ToolkitError
  from collections import Counter
  import sys
label_desc: Use image node_id 9 for calling the LocalDistancesTest obj's underlying member method code with example usage: obj.test_local_levenshtein() without return types