Xiaomi Home Assistant Authentication Issue

## Introduction
The Xiaomi Home Assistant is a popular home automation system that allows users to control their smart devices remotely. However, some users have reported issues with the authentication process, resulting in an infinite loop of loading screens.

## Problem Description
When trying to re-authenticate the loader in the Configure dialog, the system gets stuck in an infinite loop, preventing users from completing the authentication process.

## Steps to Reproduce
1. Go to the Xiaomi Home Assistant configuration page
2. Click on the Configure button
3. Click on the Next button
4. The loader will load forever, preventing the user from completing the authentication process

## Expected Behavior
The user should be able to re-authenticate successfully and complete the configuration process.

## System Logs
The system logs show an error message indicating that the 'MIoTOauthClient' object has no attribute '_get_token_async'. This error is repeated multiple times, indicating a problem with the authentication process.

## Home Assistant Version
The Home Assistant Core version is 2024.12.5, and the Home Assistant Operation System version is 14.1.

## Xiaomi Home Integration Version
The Xiaomi Home Integration version is v0.1.3.

## Additional Context
After running the callback link from the log manually in the browser, the user was able to click Authorize on the Xiaomi website, but the authentication did not go through. However, the next attempt to click Next was successful.

## Solution
To resolve this issue, the user can try running the callback link from the log manually in their browser, and then attempt to complete the authentication process again. Alternatively, the user can try updating the Xiaomi Home Integration to the latest version or seeking further assistance from the Home Assistant support team.

## Conclusion
The Xiaomi Home Assistant authentication issue is a frustrating problem that can prevent users from completing the configuration process. By following the steps outlined in this article, users can try to resolve the issue and successfully authenticate their Xiaomi Home Assistant.