Add another exception check to test

Author: pR0Ps

Lib/test/test_contextlib.py

@@ -370,6 +370,7 @@ def ctx(reraise=False):
                         self.assertIsInstance(sys.exception(), ValueError)
                         1/0
                 self.assertIsInstance(sys.exception(), TypeError)
+            self.assertIsInstance(sys.exception(), IndexError)
 
         try:
             raise IndexError()
@@ -385,6 +386,7 @@ def ctx(reraise=False):
                             self.assertIsInstance(sys.exception(), ValueError)
                             1/0
                     self.assertIsInstance(sys.exception(), TypeError)
+            self.assertIsInstance(sys.exception(), IndexError)
 
     def _create_contextmanager_attribs(self):
         def attribs(**kw):