Get chat to work again

shell/PresenceService/PresenceService.py

@@ -589,6 +589,8 @@ class PresenceService(object):
 			# Use random currently unassigned multicast address
 			address = u"232.%d.%d.%d" % (random.randint(0, 254), random.randint(1, 254),
 					random.randint(1, 254))
+			properties['address'] = address
+			properties['port'] = port
 		if port and port != -1 and (type(port) != type(1) or port <= 1024 or port >= 65535):
 			raise ValueError("port must be a number between 1024 and 65535")
 

sugar/chat/GroupChat.py

@@ -13,7 +13,7 @@ class GroupChat(Chat):
 	def _setup_stream(self, service):
 		self._group_stream = Stream.new_from_service(service)
 		self._group_stream.set_data_listener(self._group_recv_message)
-		self._stream_writer = self._group_stream.new_writer(service)
+		self._stream_writer = self._group_stream.new_writer()
 
 	def _group_recv_message(self, address, msg):
 		logging.debug('Group chat received from %s message %s' % (address, msg))