message: Increasing classdef version
diff: @@ -131,7 +131,7 @@ class AliPythia8 :public AliTPythia8, public AliPythiaBase
  Bool_t fDecayLonglived; ///< Decay long-lived particles (see @ref SetDecayLonglived for list of supported particles)
  static AliPythia8* fgAliPythia8; // Pointer to single instance
  - ClassDef(AliPythia8, 1) //ALICE UI to PYTHIA8
  + ClassDef(AliPythia8, 2); //ALICE UI to PYTHIA8
  };
  #endif
  