check if check_versions is none

Author: mikey0000

custom_components/mammotion/coordinator.py

@@ -807,10 +807,10 @@ async def _async_setup(self) -> None:
             ota_info = await device.mammotion_http.get_device_ota_firmware(
                 [device.iot_id]
             )
-            if ota_info is not None:
-           		for check_version in ota_info.data:
-               		if check_version.device_id == device.iot_id:
-                   		device.state.update_check = check_version
+            if check_versions := ota_info.data:
+                for check_version in check_versions:
+                    if check_version.device_id == device.iot_id:
+                        device.state.update_check = check_version
 
         except DeviceOfflineException:
             """Device is offline bluetooth has been attempted."""