Python安装selenium时报错：ERROR: No matching distribution found for selenium 附解决方法

报错如下：

pip install -i https://pypi.douban.com/simple selenium

Looking in indexes: https://pypi.douban.com/simple
Could not fetch URL https://pypi.douban.com/simple/selenium/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.douban.com', port=443): Max retries exceeded with url: /simple/selenium/ (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:777)'),)) - skipping
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:777)'),)) - skipping

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:777)'),)': /simple/selenium/
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:777)'),)': /simple/selenium/
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:777)'),)': /simple/selenium/
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:777)'),)': /simple/selenium/
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:777)'),)': /simple/selenium/
ERROR: Could not find a version that satisfies the requirement selenium (from versions: none)
ERROR: No matching distribution found for selenium

通过该方法可以成功解决报错：

pip install --index-url http://mirrors.aliyun.com/pypi/simple/ selenium --trusted-host mirrors.aliyun.com

Looking in indexes: http://mirrors.aliyun.com/pypi/simple/
Collecting selenium
  Downloading http://mirrors.aliyun.com/pypi/packages/80/d6/4294f0b4bce4de0abf13e17190289f9d0613b0a44e5dd6a7f5ca98459853/selenium-3.141.0-py2.py3-none-any.whl (904 kB)
Requirement already satisfied: urllib3 in c:\programdata\anaconda3\lib\site-packages (from selenium) (1.22)
Installing collected packages: selenium
Successfully installed selenium-3.141.0