pythongh-118761: Fix star-import of ast

Author: AA-Turner

Lib/ast.py

@@ -653,8 +653,9 @@ def main():
     main()
 
 def __dir__():
-    dir_ = {n for n in globals() if not n.startswith('_') and n != 'sys'}
-    return sorted(dir_ | {'unparse'})
+    return {n for n in globals() if not n.startswith('_')} | {'unparse'}
+
+__all__ = tuple(__dir__() - {'sys'})  # don't include modules in __all__
 
 def __getattr__(name):
     if name == 'unparse':