message: create output container only when needed
diff: @@ -23,8 +23,11 @@ AliAnalysisTaskSE* AddTaskNanoAODFilter(Int_t iMC, Bool_t savecuts = 0)
  AliAnalysisDataContainer *coutput1 = mgr->CreateContainer("normalisation", AliNanoFilterNormalisation::Class(), AliAnalysisManager::kOutputContainer, Form("%s:%s", AliAnalysisManager::GetCommonFileName(), "NanoAODFilter"));
  mgr->ConnectOutput(task, 1, coutput1);
  +
  + if (savecuts) {
  AliAnalysisDataContainer *coutput2 = mgr->CreateContainer("qa", TList::Class(), AliAnalysisManager::kOutputContainer, Form("%s:%s", AliAnalysisManager::GetCommonFileName(), "NanoAODFilter"));
  mgr->ConnectOutput(task, 2, coutput2);
  + }
  return task;
  }
  