How to use the pywws.timezone.timezone.local_replace function in pywws

last_update = self.status.get_datetime('last update', 'hourly')
        if not last_update or last_update < threshold:
            sections.append('hourly')
        # daily
        threshold = timezone.local_replace(
            threshold, use_dst=self.use_dst, hour=self.day_end_hour)
        last_update = self.status.get_datetime('last update', 'daily')
        if not last_update or last_update < threshold:
            sections.append('daily')
        # 12 hourly == daily
        last_update = self.status.get_datetime('last update', '12 hourly')
        if not last_update or last_update < threshold:
            sections.append('12 hourly')
            return sections
        # 12 hourly == daily +- 12 hours
        threshold = timezone.local_replace(
            now, use_dst=self.use_dst,
            hour=((self.day_end_hour + 12) % 24), minute=0, second=0)
        if last_update < threshold:
            sections.append('12 hourly')
        return sections

def _periodic_due(self, now):
        # get start of current hour, allowing for odd time zones
        threshold = timezone.local_replace(now, minute=0, second=0)
        # make list of due sections
        sections = []
        # hourly
        last_update = self.status.get_datetime('last update', 'hourly')
        if not last_update or last_update < threshold:
            sections.append('hourly')
        # daily
        threshold = timezone.local_replace(
            threshold, use_dst=self.use_dst, hour=self.day_end_hour)
        last_update = self.status.get_datetime('last update', 'daily')
        if not last_update or last_update < threshold:
            sections.append('daily')
        # 12 hourly == daily
        last_update = self.status.get_datetime('last update', '12 hourly')
        if not last_update or last_update < threshold:
            sections.append('12 hourly')
            return sections
        # 12 hourly == daily +- 12 hours
        threshold = timezone.local_replace(
            now, use_dst=self.use_dst,
            hour=((self.day_end_hour + 12) % 24), minute=0, second=0)
        if last_update < threshold:
            sections.append('12 hourly')
        return sections

def _periodic_due(self, now):
        # get start of current hour, allowing for odd time zones
        threshold = timezone.local_replace(now, minute=0, second=0)
        # make list of due sections
        sections = []
        # hourly
        last_update = self.status.get_datetime('last update', 'hourly')
        if not last_update or last_update < threshold:
            sections.append('hourly')
        # daily
        threshold = timezone.local_replace(
            threshold, use_dst=self.use_dst, hour=self.day_end_hour)
        last_update = self.status.get_datetime('last update', 'daily')
        if not last_update or last_update < threshold:
            sections.append('daily')
        # 12 hourly == daily
        last_update = self.status.get_datetime('last update', '12 hourly')
        if not last_update or last_update < threshold:
            sections.append('12 hourly')