bypassVersionCheck should not apply to DQMRootSource

Configuration/DataProcessing/python/Merge.py

@@ -27,6 +27,7 @@ def mergeProcess(*inputFiles, **options):
     - newDQMIO : specifies if the new DQM format should be used to merge the files
     - output_file : sets the output file name
     - output_lfn : sets the output LFN
+    - mergeNANO : to merge NanoAOD
     - bypassVersionCheck : to bypass version check in case merging happened in lower version of CMSSW (i.e. UL HLT case). This will be TRUE by default.
 
     """
@@ -54,6 +55,7 @@ def mergeProcess(*inputFiles, **options):
         process.add_(Service("DQMStore"))
     else:
         process.source = Source("PoolSource")
+        process.source.bypassVersionCheck = CfgTypes.untracked.bool(bypassVersionCheck)
         if dropDQM:
             process.source.inputCommands = CfgTypes.untracked.vstring('keep *','drop *_EDMtoMEConverter_*_*')
     process.source.fileNames = CfgTypes.untracked(CfgTypes.vstring())
@@ -71,9 +73,6 @@ def mergeProcess(*inputFiles, **options):
     else:
         outMod = OutputModule("PoolOutputModule")
 
-    # To bypass the version check in the merge process (TRUE by default)
-    process.source.bypassVersionCheck = CfgTypes.untracked.bool(bypassVersionCheck)
-
     outMod.fileName = CfgTypes.untracked.string(outputFilename)
     if outputLFN != None:
         outMod.logicalFileName = CfgTypes.untracked.string(outputLFN)