[python mode] Fix version detection
[python mode] Fix version detection

Issue #4176

xeronith/CodeMirror,namin/CodeMirror,dperetti/CodeMirror,kerabromsmu/CodeMirror,thomasjm/CodeMirror,ejgallego/CodeMirror,TDaglis/CodeMirror,ejgallego/CodeMirror,crazy4chrissi/CodeMirror,grzegorzmazur/CodeMirror,jayaprabhakar/CodeMirror,adobe/CodeMirror2,wingify/CodeMirror,wingify/CodeMirror,nightwing/CodeMirror,adobe/CodeMirror2,jayaprabhakar/CodeMirror,mtaran-google/CodeMirror,alur/CodeMirror,pabloferz/CodeMirror,alur/CodeMirror,ficristo/CodeMirror,INTELOGIE/CodeMirror,notepadqq/CodeMirror,mtaran-google/CodeMirror,ficristo/CodeMirror,INTELOGIE/CodeMirror,grzegorzmazur/CodeMirror,jayaprabhakar/CodeMirror,jkaplon/CodeMirror,nightwing/CodeMirror,dperetti/CodeMirror,SidPresse/CodeMirror,pabloferz/CodeMirror,xeronith/CodeMirror,SidPresse/CodeMirror,mtaran-google/CodeMirror,schanzer/CodeMirror,thomasjm/CodeMirror,schanzer/CodeMirror,SidPresse/CodeMirror,ficristo/CodeMirror,MarcelGerber/CodeMirror,ejgallego/CodeMirror,TDaglis/CodeMirror,MarcelGerber/CodeMirror,alur/CodeMirror,xeronith/CodeMirror,wingify/CodeMirror,codio/CodeMirror,codio/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror,INTELOGIE/CodeMirror,kerabromsmu/CodeMirror,schanzer/CodeMirror,sourcelair/CodeMirror,crazy4chrissi/CodeMirror,dperetti/CodeMirror,namin/CodeMirror,thomasjm/CodeMirror,rrandom/CodeMirror,MarcelGerber/CodeMirror,sourcelair/CodeMirror,crazy4chrissi/CodeMirror,TDaglis/CodeMirror,namin/CodeMirror,rrandom/CodeMirror,hackmdio/CodeMirror,codio/CodeMirror,rrandom/CodeMirror,sourcelair/CodeMirror,jkaplon/CodeMirror,notepadqq/CodeMirror,grzegorzmazur/CodeMirror,notepadqq/CodeMirror,jkaplon/CodeMirror,kerabromsmu/CodeMirror,hackmdio/CodeMirror,adobe/CodeMirror2,nightwing/CodeMirror