Cython Problems?

TimeInterval

class TimeInterval(Feature):
    """ A Time Interval represents a period of time in a given day. It does not understand dates or days of the week.
        It understands no unit of time that it smaller than a minute."""

    def __init__(self, start, end):
        """ start and end are represented as minutes from midnight """
        start = minutes_from_midnight(start)
        end = minutes_from_midnight(end)
        self.start = start
        self.stop = end
        self.strand = 0
        Feature.__cinit__(self, int(start), int(end))

    def __repr__(self):
        start_time = minutes_to_time(self.start)
        end_time = minutes_to_time(self.end)
        tstr = 'TimeInterval(%s, %s)' % (start_time, end_time)

        return tstr