qwen3 not support vpp

[haorannlp]

set MP_VP=2, get

[rank3]: Traceback (most recent call last):
[rank3]:   File "/opt/tiger/PAI-Megatron-Patch-251027/examples/qwen3/pretrain_qwen.py", line 139, in <module>
[rank3]:     pretrain(
[rank3]:   File "/opt/tiger/Megatron-LM-250624/megatron/training/training.py", line 806, in pretrain
[rank3]:     model, optimizer, opt_param_scheduler = setup_model_and_optimizer(
[rank3]:                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[rank3]:   File "/opt/tiger/Megatron-LM-250624/megatron/training/training.py", line 1222, in setup_model_and_optimizer
[rank3]:     model = get_model(model_provider_func, model_type)
[rank3]:             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[rank3]:   File "/opt/tiger/Megatron-LM-250624/megatron/training/training.py", line 1033, in get_model
[rank3]:     model = build_model()
[rank3]:             ^^^^^^^^^^^^^
[rank3]:   File "/opt/tiger/Megatron-LM-250624/megatron/training/training.py", line 999, in build_model
[rank3]:     this_model = model_provider_func(
[rank3]:                  ^^^^^^^^^^^^^^^^^^^^
[rank3]: TypeError: model_provider() got an unexpected keyword argument 'vp_stage'

因为examples/qwen3/pretrain_qwen.py中
def model_provider(pre_process=True, post_process=True) -> Union[GPTModel]: