On Jan 5, 5:40 pm, MartinRineh... at gmail.com wrote: > Jeroen Ruigrok van der Werven wrote: > > > Shouldn't this be: > > > self.startLoc = start > > self.stopLoc = stop > > Thanks! Of course it should. Old Java habits die slowly. No, seriously it isn't Java habits only, most other languages wouldn't need explicit calling of class name.