Enable mypy checks for homekit_controller (#65358)

homeassistant/components/homekit_controller/diagnostics.py

@@ -44,7 +44,7 @@ async def async_get_device_diagnostics(
 def _async_get_diagnostics_for_device(
     hass: HomeAssistant, device: DeviceEntry
 ) -> dict[str, Any]:
-    data = {}
+    data: dict[str, Any] = {}
 
     data["name"] = device.name
     data["model"] = device.model
@@ -60,7 +60,7 @@ def _async_get_diagnostics_for_device(
         include_disabled_entities=True,
     )
 
-    hass_entities.sort(key=lambda entry: entry.original_name)
+    hass_entities.sort(key=lambda entry: entry.original_name or "")
 
     for entity_entry in hass_entities:
         state = hass.states.get(entity_entry.entity_id)
@@ -95,7 +95,7 @@ def _async_get_diagnostics(
     hkid = entry.data["AccessoryPairingID"]
     connection: HKDevice = hass.data[KNOWN_DEVICES][hkid]
 
-    data = {
+    data: dict[str, Any] = {
         "config-entry": {
             "title": entry.title,
             "version": entry.version,
@@ -123,6 +123,8 @@ def _async_get_diagnostics(
         devices = data["devices"] = []
         for device_id in connection.devices.values():
             device = device_registry.async_get(device_id)
+            if not device:
+                continue
             devices.append(_async_get_diagnostics_for_device(hass, device))
 
     return data