## Introduction to Xiaomi Home Assistant
The Xiaomi Home Assistant is a smart home system that integrates various Xiaomi devices, allowing users to control and monitor their homes remotely. However, like any other smart home system, it is not immune to errors. In this article, we will explore a common error that users may encounter and provide troubleshooting steps to resolve the issue.
## Understanding the Error
The error in question is related to the `miot_client` component of the Xiaomi Home Assistant. The error message indicates that the `on prop msg error` function is failing due to a `type str doesn't define round method` error. This error is occurring on a device with the ID `blt.6.1cuiolrcgsk00`, with a `siid` of 2 and a `piid` of 2.
## Possible Causes of the Error
There are several possible causes of this error, including:
* Incompatible device firmware
* Incorrect configuration of the Xiaomi Home Assistant
* Network connectivity issues
* Software bugs in the `miot_client` component
## Troubleshooting Steps
To troubleshoot this error, users can try the following steps:
1. **Check device firmware**: Ensure that all devices are running the latest firmware. Outdated firmware may cause compatibility issues with the Xiaomi Home Assistant.
2. **Verify configuration**: Double-check the configuration of the Xiaomi Home Assistant to ensure that all devices are correctly configured and linked.
3. **Restart devices and hub**: Restarting devices and the hub can sometimes resolve connectivity issues and clear temporary software glitches.
4. **Check network connectivity**: Ensure that the network connection is stable and that all devices are connected to the same network.
5. **Update software**: Check for updates to the `miot_client` component and the Xiaomi Home Assistant software. Installing the latest updates may resolve software bugs and improve compatibility.
## Example Devices and Configuration
The user has reported the following devices and configuration:
* `miaomiaoce.sensor_ht.t2`
* `yeelink.light.mono6`
* `yeelink.light.color5`
* `zhimi.airpurifier.mb4`
* `yeelink.light.color5`
* `cleargrass.sensor_ht.dk1`
* `roborock.vacuum.s5e`
* `yunmai.scales.ms104`
* `lumi.motion.bmgl01`
* `lumi.gateway.mgl03`
* `lumi.acpartner.v3`
## Logs and Timezone
The user has provided logs with a timezone of UTC+3. The logs indicate that the error is occurring frequently, with multiple instances of the error recorded in a short period.
## Home Assistant Core and Operation System Versions
The user is running Home Assistant Core version 2025.10.1 and Home Assistant Operation System version 16.2. The Xiaomi Home Integration version is 0.4.2.
## Conclusion
The `type str doesn't define round method` error in the Xiaomi Home Assistant can be caused by various factors, including incompatible device firmware, incorrect configuration, and software bugs. By following the troubleshooting steps outlined in this article, users may be able to resolve the issue and restore functionality to their Xiaomi Home Assistant. If the issue persists, users may need to seek further assistance from the Xiaomi support team or the Home Assistant community.