Exceptions
The following exceptions may be raised when sending a request:
httpcore.TimeoutException
httpcore.PoolTimeout
httpcore.ConnectTimeout
httpcore.ReadTimeout
httpcore.WriteTimeout
httpcore.NetworkError
httpcore.ConnectError
httpcore.ReadError
httpcore.WriteError
httpcore.ProtocolError
httpcore.RemoteProtocolError
httpcore.LocalProtocolError
httpcore.ProxyError
httpcore.UnsupportedProtocol