#9424: Replace deprecated assert* methods in the Python test suite.
diff --git a/Lib/test/test_optparse.py b/Lib/test/test_optparse.py
index 2dc28ed..7b95612 100644
--- a/Lib/test/test_optparse.py
+++ b/Lib/test/test_optparse.py
@@ -423,13 +423,13 @@
 
     def test_str_aliases_string(self):
         self.parser.add_option("-s", type="str")
-        self.assertEquals(self.parser.get_option("-s").type, "string")
+        self.assertEqual(self.parser.get_option("-s").type, "string")
 
     def test_type_object(self):
         self.parser.add_option("-s", type=str)
-        self.assertEquals(self.parser.get_option("-s").type, "string")
+        self.assertEqual(self.parser.get_option("-s").type, "string")
         self.parser.add_option("-x", type=int)
-        self.assertEquals(self.parser.get_option("-x").type, "int")
+        self.assertEqual(self.parser.get_option("-x").type, "int")
 
 
 # Custom type for testing processing of default values.