Hi Luis, > >> other changes from 'not <y>.has_key(<x>)' >> 180: isinstance (I must've missed this first go around, sorry!) > isinstance needs the 2 argument to be a class or an object. python > raises an error if it is a string, which is what happens in this case.
Apologies, I should have been more explicit. As we discussed, the correct syntax is: isinstance(self, BEList): Note that I'm passing in BEList (the class) not "BEList" (the string) > > Thank you for the great review! See you next week :) I look forward to meeting you! - Keith > > Luis >
