[3.9] bpo-40939: Fix test_keyword for the old parser (GH-20814)
diff --git a/Grammar/python.gram b/Grammar/python.gram
index 2c350ef..1510683 100644
--- a/Grammar/python.gram
+++ b/Grammar/python.gram
@@ -477,7 +477,7 @@
| 'True' { _Py_Constant(Py_True, NULL, EXTRA) }
| 'False' { _Py_Constant(Py_False, NULL, EXTRA) }
| 'None' { _Py_Constant(Py_None, NULL, EXTRA) }
- | '__new_parser__' { RAISE_SYNTAX_ERROR("You found it!") }
+ | '__peg_parser__' { RAISE_SYNTAX_ERROR("You found it!") }
| &STRING strings
| NUMBER
| &'(' (tuple | group | genexp)