Remove duplicated variable in datetime test assertion line

TizzySaurus · TizzySaurus · commit 26338f5a75b1 · 2023-06-18T08:45:05.000+01:00
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
@@ -4205,7 +4205,7 @@ def test_fromisoformat_timezone(self):
 
             with self.subTest(tstr=tstr):
                 t_rt = self.theclass.fromisoformat(tstr)
-                assert t == t_rt, t_rt
+                assert t == t_rt
 
     def test_fromisoformat_timespecs(self):
         time_bases = [
