1 from CommonTools.RecoAlgos.trackingParticleConversionRefSelectorDefault_cfi
import trackingParticleConversionRefSelectorDefault
as _trackingParticleConversionRefSelectorDefault
2 trackingParticleConversionRefSelector = _trackingParticleConversionRefSelectorDefault.clone()
4 from Configuration.ProcessModifiers.premix_stage2_cff
import premix_stage2
5 premix_stage2.toModify(trackingParticleConversionRefSelector, src =
"mixData:MergedTrackTruth")