code: def test_point_comparison_with_empty_values(self):
      empty_values = (None, "", [], (), {})  # Django validators
      point_nonempty = Point(self.lat, self.lon, self.alt)
      point_empty = (
          Point()
      )  # actually Point(0, 0, 0), which is not "empty"
      self.assertFalse(point_nonempty in empty_values)
      self.assertTrue(point_nonempty)
  
      # Point() == (0, 0, 0).
      self.assertEqual(Point(), (0, 0, 0))
      # Currently Point can't distinguish between zero and unset coordinate
      # values, so we cannot tell if `point_empty` is really "empty"
      # (i.e. unset, like `Point()`) or is just a point at the center
      # (which is obviously not "empty"). That's why on the next line
      # we assume that `point_empty` is not in the `empty_values` list.
      self.assertFalse(point_empty in empty_values)
      # bool(Point(0, 0, 0)) should also be true
      self.assertTrue(point_empty)
  
imports: import math
  import pickle
  import sys
  import unittest
  import warnings
  from geopy.point import Point
label_desc: Use image node_id 23 for calling the PointTestCase obj's underlying member method code with example usage: obj.test_point_comparison_with_empty_values() without return types