Fetch the data a second time when -9999 error occurs in Xiaomi Miio integration (#56288)

homeassistant/components/xiaomi_miio/__init__.py

@@ -171,12 +171,23 @@ async def async_create_miio_device_and_coordinator(
 
     async def async_update_data():
         """Fetch data from the device using async_add_executor_job."""
-        try:
+
+        async def _async_fetch_data():
+            """Fetch data from the device."""
             async with async_timeout.timeout(10):
                 state = await hass.async_add_executor_job(device.status)
                 _LOGGER.debug("Got new state: %s", state)
                 return state
 
+        try:
+            return await _async_fetch_data()
+        except DeviceException as ex:
+            if getattr(ex, "code", None) != -9999:
+                raise UpdateFailed(ex) from ex
+            _LOGGER.info("Got exception while fetching the state, trying again: %s", ex)
+        # Try to fetch the data a second time after error code -9999
+        try:
+            return await _async_fetch_data()
         except DeviceException as ex:
             raise UpdateFailed(ex) from ex