Fix Arlo doing I/O in event loop (#32190)

homeassistant/components/arlo/alarm_control_panel.py

@@ -110,19 +110,19 @@ class ArloBaseStation(AlarmControlPanel):
         else:
             self._state = None
 
-    async def async_alarm_disarm(self, code=None):
+    def alarm_disarm(self, code=None):
         """Send disarm command."""
         self._base_station.mode = DISARMED
 
-    async def async_alarm_arm_away(self, code=None):
+    def alarm_arm_away(self, code=None):
         """Send arm away command. Uses custom mode."""
         self._base_station.mode = self._away_mode_name
 
-    async def async_alarm_arm_home(self, code=None):
+    def alarm_arm_home(self, code=None):
         """Send arm home command. Uses custom mode."""
         self._base_station.mode = self._home_mode_name
 
-    async def async_alarm_arm_night(self, code=None):
+    def alarm_arm_night(self, code=None):
         """Send arm night command. Uses custom mode."""
         self._base_station.mode = self._night_mode_name
 

homeassistant/components/arlo/camera.py

@@ -78,8 +78,10 @@ class ArloCam(Camera):
 
     async def handle_async_mjpeg_stream(self, request):
         """Generate an HTTP MJPEG stream from the camera."""
+        video = await self.hass.async_add_executor_job(
+            getattr, self._camera, "last_video"
+        )
 
-        video = self._camera.last_video
         if not video:
             error_msg = "Video not found for {0}. Is it older than {1} days?".format(
                 self.name, self._camera.min_days_vdo_cache