Python安装库Could not find a version that satisfies the requirement requests (from versions: none)

Silence潇湘夜雨

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2022-01-13

解决

# 更新pip
python -m pip install --upgrade pip
# 安装
pip install 包名 -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
pip install flask_sqlalchemy -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com

# pip3 install flask_sqlalchemy

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