fix: convert type hint

cofin · cofin · commit 625c512df4f1 · 2023-11-27T15:34:44.000-06:00
diff --git a/litestar_saq/config.py b/litestar_saq/config.py
@@ -24,7 +24,7 @@
 
 T = TypeVar("T")
 TaskQueue = Union[Queue, SaqQueue]
-DumpType = SaqDumpType | Callable[[Dict], bytes]
+DumpType = Union[SaqDumpType, Callable[[Dict], bytes]]
 
 
 def serializer(value: Any) -> str:
