[root@izuf60o0vnaqm1m7azx49yz ~]# pip3 install aiohttp
Looking in indexes:
http://mirrors.aliyun.com/pypi/simple/Collecting aiohttp
Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f18cb580898>: Failed to establish a new connection: [Errno -2] Name or service not known'))':
http://mirrors.aliyun.com/pypi/simple/aiohttp/ Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f18cb5803c8>: Failed to establish a new connection: [Errno -2] Name or service not known'))':
http://mirrors.aliyun.com/pypi/simple/aiohttp/ Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f18cb596668>: Failed to establish a new connection: [Errno -2] Name or service not known'))':
http://mirrors.aliyun.com/pypi/simple/aiohttp/ Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f18cb596710>: Failed to establish a new connection: [Errno -2] Name or service not known'))':
http://mirrors.aliyun.com/pypi/simple/aiohttp/ Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f18cb5965f8>: Failed to establish a new connection: [Errno -2] Name or service not known'))':
http://mirrors.aliyun.com/pypi/simple/aiohttp/ Could not find a version that satisfies the requirement aiohttp (from versions: )
No matching distribution found for aiohttp