code: def test_point_is_picklable(self):
      point = Point(self.lat, self.lon, self.alt)
      # https://docs.python.org/2/library/pickle.html#data-stream-format
      for protocol in (0, 1, 2, -1):
          pickled = pickle.dumps(point, protocol=protocol)
          point_unp = pickle.loads(pickled)
          self.assertEqual(point, point_unp)
          self.assertEqual(self.coords, point_unp)
  
imports: import math
  import pickle
  import sys
  import unittest
  import warnings
  from geopy.point import Point
label_desc: Use image node_id 26 for calling the PointTestCase obj's underlying member method code with example usage: obj.test_point_is_picklable() without return types