@abc.abstractmethod<EOL><INDENT>def get_months(self):<DEDENT>
return<EOL>
Gets the months of the year in order of the calendar.

        For a variable month calendar, all defined months are returned.
        If there are no "months" in this calendar system then the list
        may be empty.

        :return: the months
        :rtype: ``osid.locale.CalendarUnit``


        *compliance: mandatory -- This method must be implemented.*