all tests working again, if the descriptor stuff is not used
all tests working again, if the descriptor stuff is not used

jonashaag/jedi,tjwei/jedi,WoLpH/jedi,dwillmer/jedi,tjwei/jedi,jonashaag/jedi,dwillmer/jedi,WoLpH/jedi,mfussenegger/jedi,mfussenegger/jedi,flurischt/jedi,flurischt/jedi