关于pip下载的一个问题

0 前言

我的windows电脑上在使用pip安装模块的时候有时候会遇到这个问题。

(bciClient) D:\Codeprojects\client>pip3 install PyQt5 -i https://pypi.douban.com/simple
Looking in indexes: https://pypi.douban.com/simple
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))': /simple/pyqt5/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))': /simple/pyqt5/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))': /simple/pyqt5/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))': /simple/pyqt5/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))': /simple/pyqt5/
Could not fetch URL https://pypi.douban.com/simple/pyqt5/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.douban.com', port=443): Max retries exceeded with url: /simple/pyqt5/ (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))) - skipping
ERROR: Could not find a version that satisfies the requirement PyQt5 (from versions: none)
ERROR: No matching distribution found for PyQt5
Could not fetch URL https://pypi.douban.com/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.douban.com', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:997)'))) - skipping

反正大概就是SSL出问题了，我用pip config list命令查看了一下我Pip代理的配置，是清华源，但是反正一直都不知道什么问题

后来关了 science上 网 工 具 就行了