• 明明有这个模块却显示没找到
• 先卸载再安装

pip uninstall markupsafe
pip install markupsafe

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• 实在不行加上这句，应该是更新pip，但我运行报错了，重新安装还是相同的版本

pip install -U pip setuptools wheel

You are using an very, very old, unsupported version of pip and/or setuptools. Use pip install -U pip setuptools wheel to update the common set of build tools.
https://github.com/pallets/markupsafe/issues/289

ERROR: pip’s dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
wandb 0.16.6 requires PyYAML, which is not installed.