old_contents: # -*- coding: utf-8 -*-
  
  """
  Copyright(C) 2010  Romain Bignon
  
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, version 3 of the License.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  
  """
  
  from weboob.backend import Backend
  from weboob.capabilities.messages import ICapMessages, ICapMessagesReply
  
  class AuMBackend(Backend, ICapMessages, ICapMessagesReply):
      def __init__(self, weboob):
          Backend.__init__(self, weboob)
  
      def iter_new_messages(self, thread=None):
          pass
  
new_contents: # -*- coding: utf-8 -*-
  
  """
  Copyright(C) 2010  Romain Bignon
  
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, version 3 of the License.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  
  """
  
  from weboob.backend import Backend
  from weboob.capabilities.messages import ICapMessages, ICapMessagesReply
  
  class AuMBackend(Backend, ICapMessages, ICapMessagesReply):
      def __init__(self, weboob):
          Backend.__init__(self, weboob)
  
      def iter_new_messages(self, thread=None):
          return dict().iteritems()
  
subject: return null iterator instead of pass