比如prefigure会连带安装torch的版本2.8.0+cpu​。 20250831

python 的一些包或扩展依赖于torch，会在安装的时候安装上torch的CPU版，比如pip installprefigure，安装的时候会按照对应版本的torch的CPU版本，如果你已经安装了Torch不是他依赖的版本，他会先卸载你已安装的Torch然后再按照CPU他依赖版本的Torch。

pip install prefigure  

om requests->huggingface-hub<1.0,>=0.33.5->gradio->prefigure) (3.4.3)
Requirement already satisfied: urllib3<3,>=1.21.1 in g:\programdata\miniconda3\envs\train_ss\lib\site-packages (from requests->huggingface-hub<1.0,>=0.33.5->gradio->prefigure) (2.5.0)
Collecting gitpython!=3.1.29,>=1.0.0 (from wandb->prefigure)
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/01/61/d4b89fec821f72385526e1b9d9a3a0385dda4a72b206d28049e2c7cd39b8/gitpython-3.1.45-py3-none-any.whl (208 kB)
Requirement already satisfied: platformdirs in g:\programdata\miniconda3\envs\train_ss\lib\site-packages (from wandb->prefigure) (4.4.0)
Collecting protobuf!=4.21.0,!=5.28.0,<7,>=3.19.0 (from wandb->prefigure)
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/e1/59/0a820b7310f8139bd8d5a9388e6a38e1786d179d6f33998448609296c229/protobuf-6.32.0-cp310-abi3-win_amd64.whl (435 kB)
Collecting sentry-sdk>=2.0.0 (from wandb->prefigure)
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/62/1f/5feb6c42cc30126e9574eabc28139f8c626b483a47c537f648d133628df0/sentry_sdk-2.35.1-py2.py3-none-any.whl (363 kB)
Collecting gitdb<5,>=4.0.1 (from gitpython!=3.1.29,>=1.0.0->wandb->prefigure)
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/a0/61/5c78b91c3143ed5c14207f463aecfc8f9dbb5092fb2869baf37c273b2705/gitdb-4.0.12-py3-none-any.whl (62 kB)
Collecting smmap<6,>=3.0.1 (from gitdb<5,>=4.0.1->gitpython!=3.1.29,>=1.0.0->wandb->prefigure)
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/04/be/d09147ad1ec7934636ad912901c5fd7667e1c858e19d355237db0d0cd5e4/smmap-5.0.2-py3-none-any.whl (24 kB)
Installing collected packages: mpmath, gin-config, argparse, sympy, smmap, sentry-sdk, protobuf, propcache, networkx, multidict, lightning-utilities, frozenlist, configparser, attrs, async-timeout, aiohappyeyeballs, yarl, torch, gitdb, aiosignal, torchmetrics, gitpython, aiohttp, wandb, pytorch-lightning, prefigure
Successfully installed aiohappyeyeballs-2.6.1 aiohttp-3.12.15 aiosignal-1.4.0 argparse-1.4.0 async-timeout-5.0.1 attrs-25.3.0 configparser-7.2.0 frozenlist-1.7.0 gin-config-0.5.0 gitdb-4.0.12 gitpython-3.1.45 lightning-utilities-0.15.2 mpmath-1.3.0 multidict-6.6.4 networkx-3.4.2 prefigure-0.0.10 propcache-0.3.2 protobuf-6.32.0 pytorch-lightning-2.5.4 sentry-sdk-2.35.1 smmap-5.0.2 sympy-1.14.0 torch-2.8.0 torchmetrics-1.8.1 wandb-0.21.2 yarl-1.20.1

(train_ss) C:\Users\Administrator>python -c "import torch; print(torch.__version__)"
2.8.0+cpu

这里能看到，prefigure安装了torch的版本是2.8.0+cpu，就是Torch版本号是2.8.0的CUP版。...