code: def test_property_decorator_subclass(self):
      # see #1620
      sub = SubClass()
      self.assertRaises(PropertyGet, getattr, sub, "spam")
      self.assertRaises(PropertySet, setattr, sub, "spam", None)
      self.assertRaises(PropertyDel, delattr, sub, "spam")
  
imports: import abc
  import sys
  import unittest
  from types import DynamicClassAttribute
label_desc: Use image node_id 2 for calling the PropertyTests obj's underlying member method code with example usage: obj.test_property_decorator_subclass() without return types