code: def test_types(self):
      self.assertIsInstance(TOLERANCE, float)
      self.assertIsInstance(DOUBLE, bool)
      self.assertIsInstance(TRIPLE, bool)
  
imports: from __future__ import absolute_import, division, print_function
  import math
  import unittest
  from madmom.evaluation.tempo import *
  from .None import ANNOTATIONS_PATH, DETECTIONS_PATH
label_desc: Use image node_id 1 for calling the TestConstantsClass obj's underlying member method code with example usage: obj.test_types() without return types