from nbxmpp.modules.vcard4 import VCard4

 from nbxmpp.modules.ping import Ping

 from nbxmpp.modules.delimiter import Delimiter

 from nbxmpp.modules.misc import unwrap_carbon

 from nbxmpp.modules.misc import unwrap_mam

 from nbxmpp.util import get_properties_struct

         self._modules['VCard4'] = VCard4(self._client)

         self._modules['Ping'] = Ping(self._client)

         self._modules['Delimiter'] = Delimiter(self._client)

         for instance in self._modules.values():

             for handler in instance.handlers:

 from nbxmpp.protocol import NodeProcessed

 from nbxmpp.structs import RosterData

 from nbxmpp.structs import RosterItem

 from nbxmpp.errors import StanzaError

 from nbxmpp.task import iq_request_task

 from nbxmpp.modules.base import BaseModule