mac下python环境pip报错[SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) 的解决方法
摘要：
1.mac下python环境pip报错： issuserdeMacBook-Pro:~ issuser$ pip install pyinstallerCollecting pyinstaller Could not fetch URL https://pypi.python.org/simple/ 阅读全文