pip 安装包的时候 ，不更新指定的包，例如安装llamafactory ，不更新transformers

pip 安装包的时候 ，不更新指定的包，例如安装llamafactory ，不更新transformers

 
pip install llamafactory==0.9.5 \
torch==$(python -c "import torch;print(torch.__version__)") \
transformers==$(python -c "import transformers;print(transformers.__version__)") \
accelerate==$(python -c "import accelerate;print(accelerate.__version__)") \
peft==$(python -c "import peft;print(peft.__version__)") \
datasets==$(python -c "import datasets;print(datasets.__version__)") \
tokenizers==$(python -c "import tokenizers;print(tokenizers.__version__)") \
safetensors==$(python -c "import safetensors;print(safetensors.__version__)") \
trl==$(python -c "import trl;print(trl.__version__)") \
huggingface-hub==$(python -c "import huggingface_hub;print(huggingface_hub.__version__)") \
--upgrade-strategy only-if-needed