to override the existing PSet

RecoTracker/IterativeTracking/python/DetachedTripletStep_cff.py

@@ -141,7 +141,7 @@
 )
 detachedTripletStepTrajectoryFilterBase = _detachedTripletStepTrajectoryFilterBase.clone(
     maxCCCLostHits = 0,
-    minGoodStripCharge = dict(refToPSet_ = 'SiStripClusterChargeCutLoose')
+    minGoodStripCharge = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutLoose'))
 )
 from Configuration.Eras.Modifier_tracker_apv_vfp30_2016_cff import tracker_apv_vfp30_2016
 _tracker_apv_vfp30_2016.toModify(detachedTripletStepTrajectoryFilterBase, maxCCCLostHits = 2)
@@ -170,7 +170,7 @@
     ComponentName = 'detachedTripletStepChi2Est',
     nSigma        = 3.0,
     MaxChi2       = 9.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTight'),
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutTight')),
 )
 _tracker_apv_vfp30_2016.toModify(detachedTripletStepChi2Est,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTiny')
@@ -180,7 +180,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 detachedTripletStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter = dict(refToPSet_ = 'detachedTripletStepTrajectoryFilter'),
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('detachedTripletStepTrajectoryFilter')),
     maxCand = 3,
     alwaysUseInvalidHits = True,
     estimator = 'detachedTripletStepChi2Est',
@@ -200,7 +200,7 @@
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'detachedTripletStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('detachedTripletStepTrajectoryBuilder')),
     doSeedingRegionRebuilding = True,
     useHitsSplitting = True
     )

RecoTracker/IterativeTracking/python/HighPtTripletStep_cff.py

@@ -180,7 +180,7 @@
 )
 trackingPhase2PU140.toModify(highPtTripletStepChi2Est,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutNone'),
-    MaxChi2 = cms.double(20.0)
+    MaxChi2 = 20.0
 )
 
 

RecoTracker/IterativeTracking/python/InitialStepPreSplitting_cff.py

@@ -99,15 +99,15 @@
     ComponentName = 'initialStepChi2EstPreSplitting',
     nSigma        = 3.0,
     MaxChi2       = 16.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutLoose'),
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutLoose')),
 )
 _tracker_apv_vfp30_2016.toModify(initialStepChi2EstPreSplitting,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTiny')
 )
 
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 initialStepTrajectoryBuilderPreSplitting = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
-    trajectoryFilter = dict(refToPSet_ = 'initialStepTrajectoryFilterPreSplitting'),
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('initialStepTrajectoryFilterPreSplitting')),
     alwaysUseInvalidHits = True,
     maxCand   = 3,
     estimator = 'initialStepChi2Est',
@@ -119,7 +119,7 @@
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'initialStepTrajectoryBuilderPreSplitting'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('initialStepTrajectoryBuilderPreSplitting')),
     doSeedingRegionRebuilding = True,
     useHitsSplitting = True
 )

RecoTracker/IterativeTracking/python/InitialStep_cff.py

@@ -142,7 +142,7 @@
 )
 initialStepTrajectoryFilterBase = _initialStepTrajectoryFilterBase.clone(
     maxCCCLostHits = 0,
-    minGoodStripCharge = dict(refToPSet_ = 'SiStripClusterChargeCutLoose')
+    minGoodStripCharge = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutLoose'))
 )
 from Configuration.Eras.Modifier_tracker_apv_vfp30_2016_cff import tracker_apv_vfp30_2016
 _tracker_apv_vfp30_2016.toModify(initialStepTrajectoryFilterBase, maxCCCLostHits = 2)
@@ -182,7 +182,7 @@
     ComponentName = 'initialStepChi2Est',
     nSigma        = 3.0,
     MaxChi2       = 30.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutLoose'),
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutLoose')),
     pTChargeCutThreshold = 15.
 )
 _tracker_apv_vfp30_2016.toModify(initialStepChi2Est,
@@ -195,7 +195,7 @@
 
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 initialStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
-    trajectoryFilter = dict(refToPSet_ = 'initialStepTrajectoryFilter'),
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('initialStepTrajectoryFilter')),
     alwaysUseInvalidHits = True,
     maxCand = 3,
     estimator = 'initialStepChi2Est',
@@ -218,7 +218,7 @@
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'initialStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('initialStepTrajectoryBuilder')),
     doSeedingRegionRebuilding = True,
     useHitsSplitting = True
 )

RecoTracker/IterativeTracking/python/JetCoreRegionalStep_cff.py

@@ -102,9 +102,6 @@
 
 import TrackingTools.KalmanUpdators.Chi2MeasurementEstimator_cfi
 jetCoreRegionalStepChi2Est = TrackingTools.KalmanUpdators.Chi2MeasurementEstimator_cfi.Chi2MeasurementEstimator.clone(
-    #ComponentName = cms.string('jetCoreRegionalStepChi2Est'),
-    #nSigma = cms.double(3.0),
-    #MaxChi2 = cms.double(30.0)
     ComponentName = 'jetCoreRegionalStepChi2Est',
     nSigma        = 3.0,
     MaxChi2       = 30.0
@@ -116,7 +113,7 @@
 CkfBaseTrajectoryFilter_block = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.CkfBaseTrajectoryFilter_block
 jetCoreRegionalStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter = dict(refToPSet_ = 'jetCoreRegionalStepTrajectoryFilter'),
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('jetCoreRegionalStepTrajectoryFilter')),
     #clustersToSkip = cms.InputTag('jetCoreRegionalStepClusters'),
     maxCand = 50,
     estimator = 'jetCoreRegionalStepChi2Est',
@@ -129,7 +126,7 @@
 jetCoreRegionalStepTrackCandidates = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
     src                    = 'jetCoreRegionalStepSeeds',
     maxSeedsBeforeCleaning = 10000,
-    TrajectoryBuilderPSet  = dict( refToPSet_ = 'jetCoreRegionalStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet  = cms.PSet( refToPSet_ = cms.string('jetCoreRegionalStepTrajectoryBuilder')),
     NavigationSchool       = 'SimpleNavigationSchool',
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     #numHitsForSeedCleaner = cms.int32(50),

RecoTracker/IterativeTracking/python/LowPtBarrelTripletStep_cff.py

@@ -58,7 +58,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 lowPtBarrelTripletStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter = dict(refToPSet_ = 'lowPtBarrelTripletStepTrajectoryFilter'),
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('lowPtBarrelTripletStepTrajectoryFilter')),
     clustersToSkip = cms.InputTag('lowPtBarrelTripletStepClusters'),
     maxCand        = 3,
     #lostHitPenalty = cms.double(10.0), 
@@ -77,13 +77,13 @@
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'lowPtBarrelTripletStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('lowPtBarrelTripletStepTrajectoryBuilder')),
     doSeedingRegionRebuilding = True,
     useHitsSplitting          = True,
-    TransientInitialStateEstimatorParameters = dict(
-        propagatorAlongTISE      = 'PropagatorWithMaterialForLoopers',
-        propagatorOppositeTISE   = 'PropagatorWithMaterialForLoopersOpposite',
-        numberMeasurementsForFit = 4
+    TransientInitialStateEstimatorParameters = cms.PSet(
+        propagatorAlongTISE      = cms.string('PropagatorWithMaterialForLoopers'),
+        propagatorOppositeTISE   = cms.string('PropagatorWithMaterialForLoopersOpposite'),
+        numberMeasurementsForFit = cms.int32(4)
     )
 )
 

RecoTracker/IterativeTracking/python/LowPtForwardTripletStep_cff.py

@@ -60,7 +60,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 lowPtForwardTripletStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter       = dict(refToPSet_ = 'lowPtForwardTripletStepTrajectoryFilter'),
+    trajectoryFilter       = cms.PSet(refToPSet_ = cms.string('lowPtForwardTripletStepTrajectoryFilter')),
     clustersToSkip         = cms.InputTag('lowPtForwardTripletStepClusters'),
     maxCand                = 3,
     estimator              = 'lowPtForwardTripletStepChi2Est'
@@ -70,7 +70,7 @@
 import RecoTracker.CkfPattern.CkfTrackCandidates_cfi
 lowPtForwardTripletStepTrackCandidates = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
     src                       = 'lowPtForwardTripletStepSeeds',
-    TrajectoryBuilderPSet     = dict(refToPSet_ = 'lowPtForwardTripletStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet     = cms.PSet(refToPSet_ = cms.string('lowPtForwardTripletStepTrajectoryBuilder')),
     doSeedingRegionRebuilding = True,
     useHitsSplitting          = True
 )

RecoTracker/IterativeTracking/python/LowPtTripletStep_cff.py

@@ -164,7 +164,7 @@
 )
 lowPtTripletStepStandardTrajectoryFilter = _lowPtTripletStepStandardTrajectoryFilterBase.clone(
     maxCCCLostHits     = 0,
-    minGoodStripCharge = dict(refToPSet_ = 'SiStripClusterChargeCutLoose')
+    minGoodStripCharge = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutLoose'))
 )
 from Configuration.Eras.Modifier_tracker_apv_vfp30_2016_cff import tracker_apv_vfp30_2016
 _tracker_apv_vfp30_2016.toModify(lowPtTripletStepStandardTrajectoryFilter, maxCCCLostHits = 1)
@@ -198,7 +198,7 @@
     ComponentName    = 'lowPtTripletStepChi2Est',
     nSigma           = 3.0,
     MaxChi2          = 9.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTight'),
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutTight')),
 )
 _tracker_apv_vfp30_2016.toModify(lowPtTripletStepChi2Est,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTiny')
@@ -208,7 +208,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 lowPtTripletStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter       = dict(refToPSet_ = 'lowPtTripletStepTrajectoryFilter'),
+    trajectoryFilter       = cms.PSet(refToPSet_ = cms.string('lowPtTripletStepTrajectoryFilter')),
     maxCand                = 4,
     estimator              = 'lowPtTripletStepChi2Est',
     maxDPhiForLooperReconstruction = cms.double(2.0),
@@ -230,7 +230,7 @@
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner       = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),
-    TrajectoryBuilderPSet       = dict(refToPSet_ = 'lowPtTripletStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet       = cms.PSet(refToPSet_ = cms.string('lowPtTripletStepTrajectoryBuilder')),
     clustersToSkip              = cms.InputTag('lowPtTripletStepClusters'),
     doSeedingRegionRebuilding   = True,
     useHitsSplitting            = True,

RecoTracker/IterativeTracking/python/MixedTripletStep_cff.py

@@ -258,7 +258,7 @@
     ComponentName    = 'mixedTripletStepChi2Est',
     nSigma           = 3.0,
     MaxChi2          = 16.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTight')
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutTight'))
 )
 trackingLowPU.toModify(mixedTripletStepChi2Est,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTiny')
@@ -268,7 +268,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 mixedTripletStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter       = dict(refToPSet_ = 'mixedTripletStepTrajectoryFilter'),
+    trajectoryFilter       = cms.PSet(refToPSet_ = cms.string('mixedTripletStepTrajectoryFilter')),
     propagatorAlong        = 'mixedTripletStepPropagator',
     propagatorOpposite     = 'mixedTripletStepPropagatorOpposite',
     maxCand                = 2,
@@ -286,7 +286,7 @@
     numHitsForSeedCleaner     = cms.int32(50),
     #onlyPixelHitsForSeedCleaner = cms.bool(True),
 
-    TrajectoryBuilderPSet     = dict(refToPSet_ = 'mixedTripletStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet     = cms.PSet(refToPSet_ = cms.string('mixedTripletStepTrajectoryBuilder')),
     doSeedingRegionRebuilding = True,
     useHitsSplitting          = True,
     TrajectoryCleaner         = 'mixedTripletStepTrajectoryCleanerBySharedHits'

RecoTracker/IterativeTracking/python/MuonSeededStep_cff.py

@@ -71,8 +71,8 @@
     lostHitPenalty   = 1.0,   
     maxCand          = 5,
     estimator        = 'muonSeededMeasurementEstimatorForInOut',
-    trajectoryFilter = dict(refToPSet_ = 'muonSeededTrajectoryFilterForInOut'),
-    inOutTrajectoryFilter      = dict(refToPSet_ = 'muonSeededTrajectoryFilterForInOut'), # not sure if it is used
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('muonSeededTrajectoryFilterForInOut')),
+    inOutTrajectoryFilter      = cms.PSet(refToPSet_ = cms.string('muonSeededTrajectoryFilterForInOut')), # not sure if it is used
     minNrOfHitsForRebuild      = 2,
     requireSeedHitsInRebuild   = True, 
     keepOriginalIfRebuildFails = True, 
@@ -82,8 +82,8 @@
     lostHitPenalty   = 1.0,   
     maxCand          = 3,
     estimator        = 'muonSeededMeasurementEstimatorForOutIn',
-    trajectoryFilter = dict(refToPSet_ = 'muonSeededTrajectoryFilterForOutIn'),
-    inOutTrajectoryFilter      = dict(refToPSet_ = 'muonSeededTrajectoryFilterForOutIn'), # not sure if it is used
+    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('muonSeededTrajectoryFilterForOutIn')),
+    inOutTrajectoryFilter      = cms.PSet(refToPSet_ = cms.string('muonSeededTrajectoryFilterForOutIn')), # not sure if it is used
     minNrOfHitsForRebuild      = 5,
     requireSeedHitsInRebuild   = True, 
     keepOriginalIfRebuildFails = False, 
@@ -101,13 +101,13 @@
 import RecoTracker.CkfPattern.CkfTrackCandidates_cfi
 muonSeededTrackCandidatesInOut = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
     src = 'muonSeededSeedsInOut',
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'muonSeededTrajectoryBuilderForInOut'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('muonSeededTrajectoryBuilderForInOut')),
     TrajectoryCleaner     = 'muonSeededTrajectoryCleanerBySharedHits',
     RedundantSeedCleaner  = 'none', 
 )
 muonSeededTrackCandidatesOutIn = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
     src = 'muonSeededSeedsOutIn',
-    TrajectoryBuilderPSet       = dict(refToPSet_ = 'muonSeededTrajectoryBuilderForOutIn'),
+    TrajectoryBuilderPSet       = cms.PSet(refToPSet_ = cms.string('muonSeededTrajectoryBuilderForOutIn')),
     TrajectoryCleaner           = 'muonSeededTrajectoryCleanerBySharedHits',
     numHitsForSeedCleaner       = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(False),

RecoTracker/IterativeTracking/python/PixelLessStep_cff.py

@@ -213,7 +213,7 @@
     ComponentName    = 'pixelLessStepChi2Est',
     nSigma           = 3.0,
     MaxChi2          = 16.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTight')
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutTight'))
 )
 trackingLowPU.toModify(pixelLessStepChi2Est,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTiny')
@@ -223,7 +223,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 pixelLessStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter       = dict(refToPSet_ = 'pixelLessStepTrajectoryFilter'),
+    trajectoryFilter       = cms.PSet(refToPSet_ = cms.string('pixelLessStepTrajectoryFilter')),
     minNrOfHitsForRebuild  = 4,
     maxCand                = 2,
     alwaysUseInvalidHits   = False,
@@ -240,7 +240,7 @@
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner = cms.int32(50),
     #onlyPixelHitsForSeedCleaner = cms.bool(True),
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'pixelLessStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('pixelLessStepTrajectoryBuilder')),
     TrajectoryCleaner     = 'pixelLessStepTrajectoryCleanerBySharedHits'
 )
 import FastSimulation.Tracking.TrackCandidateProducer_cfi

RecoTracker/IterativeTracking/python/PixelPairStep_cff.py

@@ -255,7 +255,7 @@
     ComponentName    = 'pixelPairStepChi2Est',
     nSigma           = 3.0,
     MaxChi2          = 9.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutLoose'),
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutLoose')),
     pTChargeCutThreshold = 15.
 )
 _tracker_apv_vfp30_2016.toModify(pixelPairStepChi2Est,
@@ -270,7 +270,7 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 pixelPairStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter       = dict(refToPSet_ = 'pixelPairStepTrajectoryFilter'),
+    trajectoryFilter       = cms.PSet(refToPSet_ = cms.string('pixelPairStepTrajectoryFilter')),
     maxCand                = 3,
     estimator              = 'pixelPairStepChi2Est',
     maxDPhiForLooperReconstruction = cms.double(2.0),
@@ -292,7 +292,7 @@
 pixelPairStepTrackCandidates = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
     src = 'pixelPairStepSeeds',
     clustersToSkip        = cms.InputTag('pixelPairStepClusters'),
-    TrajectoryBuilderPSet = dict(refToPSet_ = 'pixelPairStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('pixelPairStepTrajectoryBuilder')),
     ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
     numHitsForSeedCleaner = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),

RecoTracker/IterativeTracking/python/TobTecStep_cff.py

@@ -220,7 +220,7 @@
     ComponentName    = 'tobTecStepChi2Est',
     nSigma           = 3.0,
     MaxChi2          = 16.0,
-    clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTight')
+    clusterChargeCut = cms.PSet(refToPSet_ = cms.string('SiStripClusterChargeCutTight'))
 )
 trackingLowPU.toModify(tobTecStepChi2Est,
     clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTiny')
@@ -230,8 +230,8 @@
 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
 tobTecStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
     MeasurementTrackerName = '',
-    trajectoryFilter       = dict(refToPSet_ = 'tobTecStepTrajectoryFilter'),
-    inOutTrajectoryFilter  = dict(refToPSet_ = 'tobTecStepInOutTrajectoryFilter'),
+    trajectoryFilter       = cms.PSet(refToPSet_ = cms.string('tobTecStepTrajectoryFilter')),
+    inOutTrajectoryFilter  = cms.PSet(refToPSet_ = cms.string('tobTecStepInOutTrajectoryFilter')),
     useSameTrajFilter      = False,
     minNrOfHitsForRebuild  = 4,
     alwaysUseInvalidHits   = False,
@@ -261,7 +261,7 @@
     numHitsForSeedCleaner       = cms.int32(50),
     onlyPixelHitsForSeedCleaner = cms.bool(True),
 
-    TrajectoryBuilderPSet       = dict(refToPSet_ = 'tobTecStepTrajectoryBuilder'),
+    TrajectoryBuilderPSet       = cms.PSet(refToPSet_ = cms.string('tobTecStepTrajectoryBuilder')),
     doSeedingRegionRebuilding   = True,
     useHitsSplitting            = True,
     cleanTrajectoryAfterInOut   = True,