Improve typing [helpers.event] (#70891)

.strict-typing

@@ -17,6 +17,7 @@ homeassistant.helpers.area_registry
 homeassistant.helpers.condition
 homeassistant.helpers.discovery
 homeassistant.helpers.entity_values
+homeassistant.helpers.event
 homeassistant.helpers.reload
 homeassistant.helpers.script_variables
 homeassistant.helpers.translation

homeassistant/helpers/event.py

@@ -558,7 +558,7 @@ class _TrackStateChangeFiltered:
         self._setup_entities_listener(track_states.domains, track_states.entities)
 
     @property
-    def listeners(self) -> dict:
+    def listeners(self) -> dict[str, bool | set[str]]:
         """State changes that will cause a re-render."""
         track_states = self._last_track_states
         return {
@@ -853,7 +853,7 @@ class _TrackTemplateResultInfo:
         )
 
     @property
-    def listeners(self) -> dict:
+    def listeners(self) -> dict[str, bool | set[str]]:
         """State changes that will cause a re-render."""
         assert self._track_state_changes
         return {

mypy.ini

@@ -62,6 +62,9 @@ disallow_any_generics = true
 [mypy-homeassistant.helpers.entity_values]
 disallow_any_generics = true
 
+[mypy-homeassistant.helpers.event]
+disallow_any_generics = true
+
 [mypy-homeassistant.helpers.reload]
 disallow_any_generics = true