Update Lib/test/test_list.py

Co-authored-by: Victor Stinner <[email protected]>

Author: sobolevn

Lib/test/test_list.py

@@ -346,7 +346,7 @@ def lappend(l, x, y):
         except TypeError:
             pass
         else:
-            assert False
+            raise AssertionError
         """)
 
         rc, _, _ = assert_python_ok("-c", code)