message: fix path for weights
diff: @@ -27,9 +27,10 @@ void ConfigWeightFactors_PbPb5TeV(AliAnalysisTaskHFE *task, Bool_t syst = kFALSE
  TFile *weightFile = TFile::Open(Form("%s/util/hfe/%s", gSystem->Getenv("TRAIN_ROOT"),filename.Data()));
  */
  // GRID version
  - printf("Take the weights from %s\n",Form("%s/PWGHF/hfe/macros/configs/PbPb/%s", gSystem->Getenv("ALICE_PHYSICS"),filename.Data()));
  + printf("Take the weights from %s\n",Form("$ALICE_PHYSICS/PWGHF/hfe/macros/%s", filename.Data()));
  printf("collType %d\n",collType);
  - TFile *weightFile = TFile::Open(Form("%s/PWGHF/hfe/macros/configs/PbPb/%s", gSystem->Getenv("ALICE_PHYSICS"),filename.Data()));
  +// TFile *weightFile = TFile::Open(Form("%s/PWGHF/hfe/macros/configs/PbPb/%s", gSystem->Getenv("ALICE_PHYSICS"),filename.Data()));
  + TFile *weightFile = TFile::Open(Form("$ALICE_PHYSICS/PWGHF/hfe/macros/%s", filename.Data()));
  if(weightFile){
  if(syst){
  