Dump model raising pickling error

[Gforky]

While trying InternVL2.5-8B quantization, raise error when dump model:
_pickle.PicklingError: Can't pickle <class 'transformers_modules.InternVL2_5-8B.modeling_internvl_chat.InternVLChatModel'>: it's not the same object as transformers_modules.InternVL2_5-8B.modeling_internvl_chat.InternVLChatModel

[StiphyJay]

Please give more error information to help locate the issue. Thanks!