خطای نصب کتابخانه

خطای نصب WARNING: 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.HTTPSConnection object at 0x0000023BD99F5910>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it'))': ...