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python3 安装tesserocr：pip install tesserocr pillow报错
安装python环境tesserocr时，使用pip install tesserocr pillow命令行，下面的报错原因，很多人并不是特别清楚，包括我在内：E:\Python>pip install tesserocr pillowCollecting tesserocr Using cached https://files.pythonhosted.org/packag...原创 2019-01-24 17:13:24 · 6039 阅读 · 0 评论 -
CentOS7.2安装python3.8与pip
1.安装第三方库# yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make# yum install libffi-devel -y2.安装python3# 建立新目录# sudo mkdir /usr/lo...原创 2019-02-14 13:15:15 · 8941 阅读 · 1 评论 -
CentOS7安装google Chrome及ChromeDriver
1.安装Chrome1.1.配置yum源# 在目录 /etc/yum.repos.d/ 下新建文件 google-chrome.repo # cd /ect/yum.repos.d/ # vim google-chrome.repo # 写入如下内容: [google-chrome] name=google-chrome baseurl=...原创 2019-02-14 14:16:02 · 3929 阅读 · 0 评论 -
ERROR: Could not find a version that satisfies the requirement pymysql (from versions: none) ERROR:
pip安装pymysql存储库错误：pip3 install pymysqlCollecting pymysql WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError...原创 2019-10-11 11:43:52 · 3528 阅读 · 3 评论