def _serialize_occurrences(self, occurrences):
        return ', '.join(
            [':'.join([i for i in t ]) for t in occurrences]
        )
Return the data for the specified year ready for formatting. The return
dataset/ETHPy150Open rvanlaar/easy-transifex/src/transifex/transifex/resources/formats/pofile.py/GettextHandler._serialize_occurrences--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/calendar.py/Calendar.yeardatescalendar