'Initialize a new Endpoint. This constructor should never be
invoked by a user, instead it will be called by the factories
which instantiate the RPC-enabled objects, of which only
the classes are provided by the user.
Arguments:
session -- An RPC session instance.
target_jid -- the identity of the remote XMPP entity.'

def __init__(self, session, target_jid):

    self.session = session
    self.target_jid = target_jid
