[Bug] How to solve `AttributeError: Qwen2TokenizerFast has no attribute start_image_token`

[Mrakas]

Checklist

• [x] 1. I have searched related issues but cannot get the expected help.
• [x] 2. The bug has not been fixed in the latest version.
• [x] 3. Please note that if the bug-related issue you submitted lacks corresponding environment info and a minimal reproducible demo, it will be challenging for us to reproduce and resolve the issue, reducing the likelihood of receiving feedback.

Describe the bug

AttributeError: Qwen2TokenizerFast has no attribute start_image_token

OpenGVLab/InternVL3_5-8B

I tried vllm == vllm==0.8.5.post1 or 0.10.2 or0.10.1

Reproduction

vllm server ...

Environment

I tried vllm == vllm==0.8.5.post1   or 0.10.2 or0.10.1 
OpenGVLab/InternVL3_5-8B

Error traceback

[Weiyun1025]

Please refer to our recipe

[LiYufengzz]

Please refer to our recipe

if set export VLLM_LOGGING_LEVEL=DEBUG, you can see it. Following the instructions hereour recipe, although this error does not affect the reasoning, it still appears