Python3 pip命令报错:Fatal error in launcher: Unable to create process using '"' 一.问题 环境:win7 同时安装python2 和 python3 执行pip 命令报错:Fatal error in launcher: Unable to create process using '"' 二.解决方案 采用命令:python3 -m pip install psycopg2 或者 python3 -m p
Python3.x:报错POST data should be bytes, an iterable of bytes 问题: python3.x:报错 POST data should be bytes, an iterable of bytes, or a file object. It cannot be of type str. 原因: # 组装GET方法的请求 request = urllib2.Request(url, data, headers) 其中的data需要转为utf-8
python2中的unicode()函数在python3中会报错:NameError: name 'unicode' is not defined There is no such name in Python 3, no. You are trying to run Python 2 code in Python 3. In Python 3, unicode has been renamed to str. 翻译过来就是:Python 3中没有这样的名字,没有. 您正在尝试在Python 3
环境:CentOS release 6.8 (Final) # 直接编译python3.7在使用pip3安装依赖的时候报错: Can't connect to HTTPS URL because the SSL module is not available. 解决方法: .编译安装OpenSSL 1.0.2j版本并重新配置环境变量 下载OpenSSL源码包: wget http://www.openssl.org/source/openssl-1.0.2j.tar.gz 解压缩,编译安装: t
报错信息: ERROR][http-nio-8888-exec-1] - Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.web.client.ResourceAccessException: I/O error on GET re
把系统的python版本从默认的2切换到3后,使用pip3安装依赖报错,如下: Traceback (most recent call last): File , in <module> from pip import main ImportError: cannot import name 'main' 解决办法: 解决:pip文件在usr/bin目录下,cd进去,进行以下修改 把下面的三行 from pip import main if __name__ == '__main__': sy