Yiming Jia

## Description ## Checklist Please feel free to remove inapplicable items for your PR. - [ ] The PR title starts with [$CATEGORY] (such as [NN], [Model], [Doc], [Feature]]) -...

Tensor shape mismatch in `get_rope_index` when handling truncated sequences in Qwen2-VL

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## Issue Description When using VERL with Qwen2-VL model, we're experiencing a tensor shape mismatch error during training. The error occurs because the `get_rope_index` function in [[qwen2_vl.py (line 123)](https://github.com/volcengine/verl/blob/main/verl/models/transformers/qwen2_vl.py#L123)]. [[qwen2_vl.py...