Prevent regeneration.

Include/Python-ast.h

@@ -516,3 +516,4 @@ keyword_ty _Py_keyword(identifier arg, expr_ty value, PyArena *arena);
 alias_ty _Py_alias(identifier name, identifier asname, PyArena *arena);
 
 PyObject* PyAST_mod2obj(mod_ty t);
+

Python/Python-ast.c

@@ -2,7 +2,7 @@
 
 
 /*
-   __version__ 53866.
+   __version__ 53872.
 
    This module must be committed separately after each AST grammar change;
    The __version__ number is set to the revision number of the commit
@@ -3125,7 +3125,7 @@ init_ast(void)
         if (PyDict_SetItemString(d, "AST", (PyObject*)AST_type) < 0) return;
         if (PyModule_AddIntConstant(m, "PyCF_ONLY_AST", PyCF_ONLY_AST) < 0)
                 return;
-        if (PyModule_AddStringConstant(m, "__version__", "53866") < 0)
+        if (PyModule_AddStringConstant(m, "__version__", "53872") < 0)
                 return;
         if (PyDict_SetItemString(d, "mod", (PyObject*)mod_type) < 0) return;
         if (PyDict_SetItemString(d, "Module", (PyObject*)Module_type) < 0)