---
id: pr-vllm-33511
repo: vllm-project/vllm
pr: 33511
title: 'fix(ROCm): Make flash_attn import optional in MLA attention'
author: rabi
date: '2026-02-06'
url: https://github.com/vllm-project/vllm/pull/33511
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 20d7454c9bb0c2de7f59863f5030e5f494cab178
inclusion_reason: defer
changed_paths:
- vllm/model_executor/layers/attention/mla_attention.py
artifact_dir: evidence/pull-bundles/vllm/gh-33511
head_ref_oid: b2ee887dda99c2fc1c3321f1f58a2735148b9bf2
---
# fix(ROCm): Make flash_attn import optional in MLA attention

- Repository: `vllm-project/vllm`
- PR: [33511](https://github.com/vllm-project/vllm/pull/33511)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/model_executor/layers/attention/mla_attention.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33511`
