message: renaming qa file
diff: @@ -380,7 +380,7 @@ AliAnalysisTaskAO2Dconverter *AliAnalysisTaskAO2Dconverter::AddTask(TString suff
  return nullptr;
  }
  // by default, a file is open for writing. here, we get the filename
  - TString fileName = "qaAO2D.root";
  + TString fileName = "qa.root";
  if (!suffix.IsNull())
  fileName += ":" + suffix; // create a subfolder in the file
  // now we create an instance of your task
  