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pip3 install mysqlclient安装时报错如下：Looking in indexes: http://mirrors.aliyun.com/pypi/simple/ Collecting mysqlclient Downloading http://mirrors.aliyun.com/pypi/packages/3c/df/59cd2fa5e48d0804d213bdcb1acb4d08c403b61c7ff7ed4dd4a6a2deb3f7/mysqlclient-2.0.3.ta.

pytesseract的pypi网址 如果直接安装使用会报错： ocr图片： 简易使用：pip3 install pytesseractimport pytesseract from PIL import Image print(pytesseract.image_to_string(Image.open('1.png'))) 报错如下： pytesseract.pytesseract.TesseractNotFoundError: tesseract is not installed or it.

pip documentation 阿里云：pip3 config set global.index-url http://mirrors.aliyun.com/pypi/simple/ 修改完查看一下：pip3 config list