diff --git a/homeassistant/components/vacuum/__init__.py b/homeassistant/components/vacuum/__init__.py
index 74636e82e69..24d4718540e 100644
--- a/homeassistant/components/vacuum/__init__.py
+++ b/homeassistant/components/vacuum/__init__.py
@@ -114,7 +114,7 @@ SUPPORT_START = 8192
 
 
 @bind_hass
-def is_on(hass, entity_id):
+def is_on(hass: HomeAssistant, entity_id: str) -> bool:
     """Return if the vacuum is on based on the statemachine."""
     return hass.states.is_state(entity_id, STATE_ON)
 
@@ -286,13 +286,19 @@ class _BaseVacuum(Entity):
         )
 
     def send_command(
-        self, command: str, params: dict | list | None = None, **kwargs: Any
+        self,
+        command: str,
+        params: dict[str, Any] | list[Any] | None = None,
+        **kwargs: Any,
     ) -> None:
         """Send a command to a vacuum cleaner."""
         raise NotImplementedError()
 
     async def async_send_command(
-        self, command: str, params: dict | list | None = None, **kwargs: Any
+        self,
+        command: str,
+        params: dict[str, Any] | list[Any] | None = None,
+        **kwargs: Any,
     ) -> None:
         """Send a command to a vacuum cleaner.