Add a check in contour that migrated is run before to avoid a crash. See https://root.cern.ch/phpBB3/viewtopic.php?f=15&t=18662&p=85066#p85066
Add a check in contour that migrated is run before to avoid a crash. See https://root.cern.ch/phpBB3/viewtopic.php?f=15&t=18662&p=85066#p85066

veprbl/root,beniz/root,satyarth934/root,dfunke/root,krafczyk/root,lgiommi/root,mhuwiler/rootauto,gbitzes/root,beniz/root,evgeny-boger/root,root-mirror/root,gbitzes/root,mattkretz/root,lgiommi/root,BerserkerTroll/root,jrtomps/root,nilqed/root,arch1tect0r/root,nilqed/root,esakellari/root,veprbl/root,Duraznos/root,abhinavmoudgil95/root,Duraznos/root,davidlt/root,vukasinmilosevic/root,bbockelm/root,omazapa/root,sbinet/cxx-root,root-mirror/root,BerserkerTroll/root,satyarth934/root,root-mirror/root,evgeny-boger/root,sawenzel/root,simonpf/root,Y--/root,arch1tect0r/root,krafczyk/root,nilqed/root,omazapa/root,Duraznos/root,abhinavmoudgil95/root,dfunke/root,mhuwiler/rootauto,bbockelm/root,gbitzes/root,gganis/root,mkret2/root,mkret2/root,agarciamontoro/root,bbockelm/root,simonpf/root,perovic/root,lgiommi/root,buuck/root,davidlt/root,satyarth934/root,simonpf/root,georgtroska/root,Y--/root,olifre/root,pspe/root,pspe/root,gganis/root,bbockelm/root,sawenzel/root,olifre/root,Y--/root,olifre/root,mattkretz/root,agarciamontoro/root,Y--/root,zzxuanyuan/root-compressor-dummy,gganis/root,mhuwiler/rootauto,mkret2/root,simonpf/root,esakellari/root,gganis/root,agarciamontoro/root,root-mirror/root,bbockelm/root,sawenzel/root,gbitzes/root,evgeny-boger/root,vukasinmilosevic/root,Y--/root,nilqed/root,CristinaCristescu/root,simonpf/root,krafczyk/root,jrtomps/root,sbinet/cxx-root,pspe/root,karies/root,Duraznos/root,karies/root,simonpf/root,dfunke/root,mhuwiler/rootauto,nilqed/root,satyarth934/root,root-mirror/root,karies/root,dfunke/root,davidlt/root,omazapa/root,zzxuanyuan/root,sawenzel/root,davidlt/root,buuck/root,Duraznos/root,pspe/root,buuck/root,vukasinmilosevic/root,zzxuanyuan/root,karies/root,zzxuanyuan/root,zzxuanyuan/root,pspe/root,BerserkerTroll/root,gbitzes/root,veprbl/root,jrtomps/root,bbockelm/root,agarciamontoro/root,arch1tect0r/root,gganis/root,lgiommi/root,olifre/root,Y--/root,buuck/root,arch1tect0r/root,krafczyk/root,arch1tect0r/root,sirinath/root,BerserkerTroll/root,BerserkerTroll/root,krafczyk/root,root-mirror/root,mkret2/root,zzxuanyuan/root-compressor-dummy,olifre/root,perovic/root,georgtroska/root,gbitzes/root,georgtroska/root,mhuwiler/rootauto,vukasinmilosevic/root,Duraznos/root,gganis/root,lgiommi/root,sirinath/root,satyarth934/root,abhinavmoudgil95/root,zzxuanyuan/root,mattkretz/root,omazapa/root,arch1tect0r/root,mhuwiler/rootauto,abhinavmoudgil95/root,krafczyk/root,perovic/root,buuck/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,mattkretz/root,beniz/root,abhinavmoudgil95/root,karies/root,perovic/root,vukasinmilosevic/root,agarciamontoro/root,Duraznos/root,veprbl/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,krafczyk/root,sirinath/root,CristinaCristescu/root,vukasinmilosevic/root,karies/root,bbockelm/root,Y--/root,evgeny-boger/root,zzxuanyuan/root-compressor-dummy,thomaskeck/root,simonpf/root,Y--/root,jrtomps/root,veprbl/root,sbinet/cxx-root,thomaskeck/root,olifre/root,CristinaCristescu/root,simonpf/root,olifre/root,beniz/root,omazapa/root,karies/root,satyarth934/root,mkret2/root,sirinath/root,Duraznos/root,mkret2/root,Y--/root,davidlt/root,gbitzes/root,arch1tect0r/root,evgeny-boger/root,thomaskeck/root,agarciamontoro/root,davidlt/root,mkret2/root,agarciamontoro/root,dfunke/root,sbinet/cxx-root,thomaskeck/root,omazapa/root,veprbl/root,perovic/root,mkret2/root,perovic/root,abhinavmoudgil95/root,esakellari/root,dfunke/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,karies/root,georgtroska/root,pspe/root,evgeny-boger/root,georgtroska/root,veprbl/root,evgeny-boger/root,abhinavmoudgil95/root,beniz/root,sawenzel/root,beniz/root,georgtroska/root,Y--/root,omazapa/root,nilqed/root,georgtroska/root,evgeny-boger/root,gbitzes/root,CristinaCristescu/root,dfunke/root,mattkretz/root,simonpf/root,jrtomps/root,vukasinmilosevic/root,zzxuanyuan/root,veprbl/root,evgeny-boger/root,mkret2/root,sbinet/cxx-root,esakellari/root,krafczyk/root,agarciamontoro/root,mattkretz/root,BerserkerTroll/root,arch1tect0r/root,mattkretz/root,beniz/root,buuck/root,krafczyk/root,lgiommi/root,mhuwiler/rootauto,sirinath/root,jrtomps/root,perovic/root,agarciamontoro/root,abhinavmoudgil95/root,mhuwiler/rootauto,davidlt/root,BerserkerTroll/root,gganis/root,karies/root,root-mirror/root,mattkretz/root,sawenzel/root,zzxuanyuan/root-compressor-dummy,dfunke/root,pspe/root,buuck/root,lgiommi/root,omazapa/root,buuck/root,dfunke/root,karies/root,CristinaCristescu/root,sirinath/root,mkret2/root,veprbl/root,lgiommi/root,perovic/root,pspe/root,beniz/root,root-mirror/root,pspe/root,sbinet/cxx-root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,CristinaCristescu/root,vukasinmilosevic/root,mkret2/root,Duraznos/root,gganis/root,satyarth934/root,davidlt/root,sawenzel/root,esakellari/root,mattkretz/root,krafczyk/root,mattkretz/root,omazapa/root,jrtomps/root,beniz/root,root-mirror/root,mhuwiler/rootauto,veprbl/root,zzxuanyuan/root,esakellari/root,bbockelm/root,sirinath/root,davidlt/root,vukasinmilosevic/root,Duraznos/root,olifre/root,buuck/root,olifre/root,georgtroska/root,Y--/root,BerserkerTroll/root,gganis/root,lgiommi/root,bbockelm/root,sirinath/root,evgeny-boger/root,bbockelm/root,thomaskeck/root,esakellari/root,beniz/root,buuck/root,sbinet/cxx-root,zzxuanyuan/root-compressor-dummy,thomaskeck/root,simonpf/root,agarciamontoro/root,zzxuanyuan/root,sbinet/cxx-root,omazapa/root,sawenzel/root,zzxuanyuan/root,CristinaCristescu/root,simonpf/root,abhinavmoudgil95/root,esakellari/root,satyarth934/root,satyarth934/root,CristinaCristescu/root,veprbl/root,vukasinmilosevic/root,bbockelm/root,georgtroska/root,davidlt/root,perovic/root,arch1tect0r/root,georgtroska/root,omazapa/root,sirinath/root,vukasinmilosevic/root,root-mirror/root,perovic/root,zzxuanyuan/root,dfunke/root,mhuwiler/rootauto,BerserkerTroll/root,CristinaCristescu/root,thomaskeck/root,gbitzes/root,jrtomps/root,mhuwiler/rootauto,sbinet/cxx-root,root-mirror/root,gganis/root,thomaskeck/root,davidlt/root,nilqed/root,nilqed/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,gbitzes/root,esakellari/root,gbitzes/root,sawenzel/root,evgeny-boger/root,agarciamontoro/root,satyarth934/root,jrtomps/root,esakellari/root,krafczyk/root,BerserkerTroll/root,perovic/root,zzxuanyuan/root,CristinaCristescu/root,sbinet/cxx-root,nilqed/root,pspe/root,arch1tect0r/root,thomaskeck/root,Duraznos/root,sirinath/root,beniz/root,mattkretz/root,georgtroska/root,satyarth934/root,sawenzel/root,olifre/root,sbinet/cxx-root,nilqed/root,arch1tect0r/root,sawenzel/root,thomaskeck/root,jrtomps/root,nilqed/root,lgiommi/root,lgiommi/root,pspe/root,buuck/root,olifre/root,gganis/root,dfunke/root,abhinavmoudgil95/root,sirinath/root,esakellari/root,abhinavmoudgil95/root,karies/root