File "/sgl-workspace/sglang/python/sglang/srt/models/qwen3_next.py", line 138, in __init__
    self.in_proj_qkvz.weight.weight_loader = self._make_packed_weight_loader(
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: property 'weight_loader' of 'ModelWeightParameter' object has no setter

python3 -m sglang.launch_server --model Qwen/Qwen3-Coder-Next-FP8 --tensor-parallel-size 2 --host 0.0.0.0 --port 8000 --served-model-name qwen3-coder-next --enable-metrics --tool-call-parser qwen3_coder --mem-fraction-static 0.87 --sleep-on-idle --moe-runner-backend triton --log-requests --log-requests-level 0 --log-requests-format text --max-prefill-tokens 131072 --chunked-prefill-size 32768