My source code https://github.com/donhuvy/TensorRT...mples/gpt-oss/qat-finetune-transformers.ipynb . My environment: Windows 11, PyCharm 2025.2 Ultimate, NVIDIA RTX 5090 - 32 GB, Python 3.10 . ImportError: cannot import name 'Mxfp4Config' from 'transformers' Error --------------------------------------------------------------------------- ImportError Traceback (most recent call last) Cell In[14], line 1 ----> 1 from transformers import AutoConfig, Mxfp4Config 2 from trl import ModelConfig 4 model_args = ModelConfig( 5 model_name_or_path="openai/gpt-oss-20b", 6 attn_implementation="eager", 7 torch_dtype="bfloat16", 8 ) ImportError: cannot import name 'Mxfp4Config' from 'transformers' (C:\github\TensorRT-Model-Optimizer\examples\gpt-oss\.venv\lib\site-packages\transformers\__init__.py) How to fix this error? Related link https://github.com/NVIDIA/TensorRT-Model-Optimizer/issues/279 Continue reading...
