use_query and use_mutation

src/django_idom/hooks.py

@@ -17,7 +17,7 @@
     Callable[..., Callable[..., Awaitable[Any]]],
     _database_sync_to_async,
 )
-WebsocketContext: Context[IdomWebsocket | None] = create_context(None)
+WebsocketContext: Context[Union[IdomWebsocket, None]] = create_context(None)
 _REFETCH_CALLBACKS: DefaultDict[
     Callable[..., Any], set[Callable[[], None]]
 ] = DefaultDict(set)
@@ -45,10 +45,10 @@ def use_websocket() -> IdomWebsocket:
 
 
 def use_query(
-    query: Callable[_Params, _Result | None],
+    query: Callable[_Params, Union[_Result, None]],
     *args: _Params.args,
     **kwargs: _Params.kwargs,
-) -> Query[_Result | None]:
+) -> Query[Union[_Result, None]]:
     query_ref = use_ref(query)
     if query_ref.current is not query:
         raise ValueError(f"Query function changed from {query_ref.current} to {query}.")
@@ -96,8 +96,8 @@ def execute_query() -> None:
 
 
 def use_mutation(
-    mutate: Callable[_Params, bool | None],
-    refetch: Callable[..., Any] | Sequence[Callable[..., Any]],
+    mutate: Callable[_Params, Union[bool, None]],
+    refetch: Union[Callable[..., Any], Sequence[Callable[..., Any]]],
 ) -> Mutation[_Params]:
     loading, set_loading = use_state(False)
     error, set_error = use_state(cast(Union[Exception, None], None))

src/django_idom/types.py

@@ -29,7 +29,7 @@ class Query(Generic[_Data]):
 
     data: _Data
     loading: bool
-    error: Exception | None
+    error: Union[Exception, None]
     refetch: Callable[[], None]
 
 
@@ -39,5 +39,5 @@ class Mutation(Generic[_Params]):
 
     execute: Callable[_Params, None]
     loading: bool
-    error: Exception | None
+    error: Union[Exception, None]
     reset: Callable[[], None]