Update dash/_callback.py

BSd3v · T4rk1n · web-flow · commit a1bd54fe57b2 · 2025-06-11T11:01:08.000-04:00
Co-authored-by: Philippe Duval &lt;t4rk@outlook.com&gt;
diff --git a/dash/_callback.py b/dash/_callback.py
@@ -345,7 +345,7 @@ def _initialize_context(args, kwargs, inputs_state_indices, has_output, insert_o
     )
 
 
-def _get_callback_manager(kwargs, background):
+def _get_callback_manager(kwargs: dict, background: dict) -> Union[BaseBackgroundCallbackManager, None]:
     """Set up the background callback and manage jobs."""
     callback_manager = background.get(
         "manager", kwargs.get("background_callback_manager", None)

Original file line number	Diff line number	Diff line change
`@@ -345,7 +345,7 @@ def _initialize_context(args, kwargs, inputs_state_indices, has_output, insert_o`
`345`	`345`	`)`
`346`	`346`
`347`	`347`
`348`		`-def _get_callback_manager(kwargs, background):`
	`348`	`+def _get_callback_manager(kwargs: dict, background: dict) -> Union[BaseBackgroundCallbackManager, None]:`
`349`	`349`	`"""Set up the background callback and manage jobs."""`
`350`	`350`	`callback_manager = background.get(`
`351`	`351`	`"manager", kwargs.get("background_callback_manager", None)`