<!-- Thanks for sending a pull request! BEFORE SUBMITTING, PLEASE READ https://docs.vllm.ai/en/latest/contributing/overview.html --> ### What this PR does / why we need it? disable NZ for float weight case. This is only a quick fix for dev branch. For main branch, we'll consider more case to make it more common. ### Does this PR introduce _any_ user-facing change? <!-- Note that it means *any* user-facing change including all aspects such as API, interface or other behavior changes. Documentation-only updates are not considered user-facing changes. --> ### How was this patch tested? qwen2.5 32B <img width="441" height="221" alt="image" src="https://github.com/user-attachments/assets/7ae18ffd-1ce2-43d9-9960-be45250ad0da" /> --------- Signed-off-by: 刘哲续 <liuzhexu1@huawei.com> Co-authored-by: 刘哲续 <liuzhexu1@huawei.com>