关于pyuserinput安装的一些问题

Easier

C:\Users\N4me1ess>pip install pyuserinput
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /simple/pyuserinput/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /simple/pyuserinput/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /simple/pyuserinput/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /simple/pyuserinput/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /simple/pyuserinput/
ERROR: Could not find a version that satisfies the requirement pyuserinput
ERROR: No matching distribution found for pyuserinput

我已经安装了pywin32和pyhook了，为什么不能装？
python 版本3.7

Easier

已解决
在后面加

-i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com