def _isdst(self, dt):
        try:
            return super(LocalTimezone, self)._isdst(dt)
        except (OverflowError, __HOLE__) as exc:
            exc_type = type(exc)
            exc_value = exc_type(
                    "Unsupported value: %r. You should install pytz." % dt)
            exc_value.__cause__ = exc
            six.reraise(exc_type, exc_value, sys.exc_info()[2])
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/utils/timezone.py/LocalTimezone._isdst