From 4b7907262fabc2a447ad6d33af0e2fa9c44c1c9b Mon Sep 17 00:00:00 2001
From: Chris Winter <44822168+winterchristian@users.noreply.github.com>
Date: Fri, 8 May 2026 08:43:55 +0200
Subject: [PATCH] fix typing bug for older python versions

---
 luigi/parameter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/luigi/parameter.py b/luigi/parameter.py
index befb18e60d..5fab3a2798 100644
--- a/luigi/parameter.py
+++ b/luigi/parameter.py
@@ -870,7 +870,7 @@ class MyTask(luigi.Task):
     def __init__(
         self,
         default: Union[bool, _NoValueType] = _no_value,
-        parsing: str | None = None,
+        parsing: Optional[str] = None,
         **kwargs: Unpack[_ParameterKwargs],
     ):
         self.parsing = self.__class__.parsing if parsing is None else parsing