python: cannot concatenate 'str' and 'long' objects

Question

I\'m trying to set up a choice field in django, but I don\'t think this is a django issue. The choices field takes an iterable (e.g., a list or tuple) of 2-tuples to use as

Answer 1

'question_' is a string, question.id is a long. You can not concatenate two things of different types, you will have to convert the long to a string using str(question.id).