diff --git a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSD3PD.py b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSD3PD.py
index 1309a38786584c3948100e834f05eb01e16ebde4..ef263a2f7b15c4d871cf75cb361d0e1d1b442740 100644
--- a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSD3PD.py
+++ b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSD3PD.py
@@ -1,4 +1,6 @@
-# Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+
+from __future__ import print_function
 
 from JetD3PDMaker.JetD3PDObject             import getJetD3PDObject
 from D3PDMakerConfig.D3PDMakerFlags         import D3PDMakerFlags
@@ -136,7 +138,7 @@ def CommonJSD3PD(jetsToWrite, alg):
     jsD3PD=None    
     for val in myJSD3PD:
         if val[0]==jetsToWrite:
-            print "using existing JSD3PD"
+            print ("using existing JSD3PD")
             jsD3PD=val[1]
             break
         
diff --git a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSjets.py b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSjets.py
index 97f09eef575f847552781968f46b728ed749b2e0..76ac283e9fea64cefdc5600192882b5b7411e7dd 100644
--- a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSjets.py
+++ b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CommonJSjets.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 #####Jet Reco ############
 
@@ -78,9 +78,6 @@ def getGroomingTools(GroomedDicts):
         if kw["SaveSubjets"] == True:
            catNames += [ kw['SubjetsName'] ]
 
-  print "aaaaaaaa myGroomingTools = ", myGroomingTools
-  print "bbbbbbbb catNames = ", catNames
-
   return myGroomingTools, catNames  
 
 
@@ -141,7 +138,6 @@ def setupTruthJets(myjetfinder, myjetdr, myjetinput, GroomedDicts, theseq):
     if myjetgetter_truth.jetAlgorithmHandle() == None:
       if truthcontname ==  None:
          truthcontname = myjetgetter_truth.buildName()
-      print 'yot: ', truthcontname
       extra_moments_list += [widthtool]  ## jet moments lost for truth jets in ESD->AOD transition
 
     sss = make_JetMomentGetter(truthcontname , extra_moments_list + [assoc_tool_truth,jetsubstructure_tool_truth], theseq )
diff --git a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CoreCommonD3PD.py b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CoreCommonD3PD.py
index 5defc52304598cbfd313e2359b508304298e3dc4..b829d14cc2abecd1e4d1fe4292caada049fde385 100644
--- a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CoreCommonD3PD.py
+++ b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/CoreCommonD3PD.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # $Id: CoreGenericD3PD.py
 #
@@ -218,7 +218,7 @@ try:
     theemtrackisolationtool.useBremAssoc = True
     ToolSvc += theemtrackisolationtool
 except Exception:
-    print traceback.format_exc()
+    traceback.print_exc()
     
 ElectronD3PDObject.defineBlock(99, "miniiso10", BoostedTopD3PDMaker.MiniIsolationElectronFillerTool, EMTrackIsolationTool=theemtrackisolationtool, KtDist=10., prefix="MI10_")
 ElectronD3PDObject.defineBlock(99, "miniiso15", BoostedTopD3PDMaker.MiniIsolationElectronFillerTool, EMTrackIsolationTool=theemtrackisolationtool, KtDist=15., prefix="MI15_")
diff --git a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/PhotonCustomMET.py b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/PhotonCustomMET.py
index b3208f555bc278d1f4c2e37a186b21edd1c51801..164c6969278c929e38d558c87ae513de67791f2b 100644
--- a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/PhotonCustomMET.py
+++ b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/PhotonCustomMET.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 from RecExConfig.RecFlags                            import rec
 from AthenaCommon.SystemOfUnits                      import GeV
@@ -18,8 +18,6 @@ PyAthena.load_library('egammaEnumsDict')
 
 def PhotonCustomMET():
 
-    print "calculating PhotonCustomMET...."
-    
     from AthenaCommon.AppMgr                             import ToolSvc
     topSequence = AlgSequence()
 
diff --git a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addJetsInfo.py b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addJetsInfo.py
index 84fc126787b269f63d8b148fa22a71f50d97492c..acc434c31d7a05c28a5c6bfd4f19d0c3cb6c868e 100644
--- a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addJetsInfo.py
+++ b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addJetsInfo.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 
 from RecExConfig.RecFlags                               import rec
@@ -66,8 +66,6 @@ def _args (level, name, kwin, **kw):
 
 def addJetsInfo ( alg=None, file = 'physics.root', tuplename = 'physics', tmpFlag=True, **kw):
 
-    print "adding Jets info..."
-
     if not alg:
         from OutputStreamAthenaPool.MultipleStreamManager import MSMgr
         alg = MSMgr.NewRootStream(tuplename, file)
diff --git a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addMissingEtInfo.py b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addMissingEtInfo.py
index e0bd249061c60209e6a764402e9b576d2b793e86..41754c49df39d8213a81f7418f59fcbff61887b4 100644
--- a/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addMissingEtInfo.py
+++ b/PhysicsAnalysis/D3PDMaker/D3PDMakerConfig/python/addMissingEtInfo.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # $Id: addMissingEtInfo.py
 # by Lei Zhou
@@ -29,8 +29,6 @@ def addMissingEtInfo   ( alg = None,
                          seq = topSequence,
                          **kw ):
     
-    print "adding MissingEt info..."
-
     if not alg:
         from OutputStreamAthenaPool.MultipleStreamManager import MSMgr
         alg = MSMgr.NewRootStream(tuplename, file, asAlg=True)