code: def test_setitem_same_value(self):
      value = object()
      d = self.new_dict()
  
      # setting a key must change the version
      self.check_version_changed(d, d.__setitem__, "key", value)
  
      # setting a key to the same value with dict.__setitem__
      # must change the version
      self.check_version_dont_change(d, d.__setitem__, "key", value)
  
      # setting a key to the same value with dict.update
      # must change the version
      self.check_version_dont_change(d, d.update, key=value)
  
      d2 = self.new_dict(key=value)
      self.check_version_dont_change(d, d.update, d2)
  
imports: import unittest
  from test.support import import_helper
label_desc: Use image node_id 9 for calling the DictVersionTests obj's underlying member method code with example usage: obj.test_setitem_same_value() without return types