core: minor style/typos fixes

sat/plugins/plugin_xep_0280.py

@@ -23,7 +23,6 @@ from sat.core.log import getLogger
 log = getLogger(__name__)
 from sat.core import exceptions
 from sat.core.constants import Const as C
-from sat.core.xmpp import SatMessageProtocol
 from twisted.words.protocols.jabber.error import StanzaError
 from twisted.internet import defer
 from wokkel import disco, iwokkel
@@ -148,9 +147,9 @@ class XEP_0280(object):
                 message_elt.addChild(c)
             return True
         elif carbons_elt.name == "sent":
-            # on send we parse the message and just add it to history
+            # on sent we parse the message and just add it to history
             # and send it to frontends (without normal sending treatments)
-            mess_data = SatMessageProtocol.parseMessage(cc_message_elt, client)
+            mess_data = client.messageProt.parseMessage(cc_message_elt)
             if not mess_data["message"] and not mess_data["subject"]:
                 return False
             client.messageAddToHistory(mess_data)