from twisted.web2.client.interfaces import IHTTPClientManager
from twisted.web2.client.http import ProtocolError, ClientRequest, HTTPClientProtocol
from twisted.web2 import stream as stream_mod, http_headers
from twisted.web2.client.interfaces import IHTTPClientManager
from twisted.web2.client.http import ProtocolError, ClientRequest, HTTPClientProtocol
from twisted.web2 import stream as stream_mod, http_headers