2021fall_dl environment conda create env_torch171 python==3.8 conda activate env_torch171 pip install torch==1.7.1 transformers==4.2.1 scipy==1.5.4 datasets==1.2.1 pandas==1.1.5 scikit-learn==0.24.0 prettytable==2.1.0 gradio setuptools==49.3.0