快速解决ERROR_ Could not find a version that satisfies the requirement xxx (from versions_ none)

安装库


错误:

image.png
解决办法:
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple chardet
快速解决ERROR_ Could not find a version that satisfies the requirement xxx (from versions_ none)_第1张图片
好吧换源也不是万能
image.png
快速解决ERROR_ Could not find a version that satisfies the requirement xxx (from versions_ none)_第2张图片
错误原因:TensorFlow2版本中删除了contrib包

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