code: def _create_timezone_static(tz):
      
      timezone = icalendar.Timezone()
      timezone.add('TZID', tz)
      subcomp = icalendar.TimezoneStandard()
      subcomp.add('TZNAME', tz)
      subcomp.add('DTSTART', dt.datetime(1601, 1, 1))
      subcomp.add('RDATE', dt.datetime(1601, 1, 1))
      subcomp.add('TZOFFSETTO', tz._utcoffset)
      subcomp.add('TZOFFSETFROM', tz._utcoffset)
      timezone.add_component(subcomp)
      return timezone
docs: create an icalendar vtimezone from a pytz.tzinfo.StaticTzInfo
  
      :param tz: the timezone
      :type tz: pytz.tzinfo.StaticTzInfo
      :returns: timezone information
      :rtype: icalendar.Timezone()