NotImplementedError() What Does This Mean, Event Profiler Pyalgotrade

I'm trying to run pyalgotrade's event profiler. I'm using custom data, it works when I run it with the default stratergy/predicate 'BuyOnGap' however when I try and run it with a s

Solution 1:

I think you just made a spelling mistake in eventOccurred method definition

def eventOccoured( self, instrument, aBarDS):

should be replaced by

def eventOccurred( self, instrument, aBarDS):