## Introduction to Xiaomi Home Assistant Bug
The Xiaomi Home Assistant bug refers to an issue that occurs when setting up scenes with Yeelight smart lights. The error message 'Property value error' is displayed, indicating a problem with the property value of the smart light.
## Causes of the Bug
The causes of the bug are not explicitly stated in the error message. However, it can be inferred that the issue lies in the way the property value is being set or retrieved from the Yeelight smart light.
## Steps to Reproduce the Bug
To reproduce the bug, follow these steps:
1. Set up a scene in the Xiaomi Home Assistant app.
2. Add a Yeelight smart light to the scene.
3. Set the smart light to turn on.
4. Switch between real-time and preview modes.
## Expected Behavior
The expected behavior is that the Yeelight smart light should turn on without any errors or exceptions.
## Home Assistant Logs
The Home Assistant logs provide more information about the error. The logs show that there is an unexpected exception occurring in the `miot_device.py` file, specifically in the `set_property_async` method. The error message 'Property value error' is raised, indicating that there is an issue with the property value being set.
## Solution
To resolve the issue, it is recommended to check the property value being set for the Yeelight smart light. Ensure that the property value is correct and valid. Additionally, check the Home Assistant logs for any other errors or exceptions that may be related to the issue.
## Conclusion
In conclusion, the Xiaomi Home Assistant bug is a frustrating issue that can occur when setting up scenes with Yeelight smart lights. By understanding the causes of the bug, reproducing the issue, and analyzing the Home Assistant logs, users can troubleshoot and resolve the problem. It is essential to ensure that the property value being set is correct and valid to prevent this error from occurring.