old_contents: import logging
  from django.core.management.base import BaseCommand
  from apps.processing.ala.util import util
  from dateutil.parser import parse
  from datetime import date, timedelta
  
  logger = logging.getLogger(__name__)
  
  
  class Command(BaseCommand):
      help = 'Import data from ALA stations, optionally you can pass date. Otherwise it will fetch yesterday data'
  
      def add_arguments(self, parser):
          parser.add_argument('date', nargs='?', type=parse, default=None)
  
      def handle(self, *args, **options):
  
          stations = util.get_or_create_stations()
          day = options['date']
          if day is None:
              day = date.today() - timedelta(1)
  
          logger.info(
              'Importing observations of {} ALA stations from {}.'.format(
                  len(stations),
                  day
              )
          )
  
          try:
              for station in stations:
                  util.load(station, day)
                  util.create_avgs(station, day)
          except Exception as e:
              self.stdout.write(self.style.ERROR(e))
  
new_contents: import logging
  from django.core.management.base import BaseCommand
  from apps.processing.ala.util import util
  from dateutil.parser import parse
  from datetime import date, timedelta
  
  logger = logging.getLogger(__name__)
  
  
  class Command(BaseCommand):
      help = 'Import data from ALA stations, optionally you can pass date. Otherwise it will fetch yesterday data'
  
      def add_arguments(self, parser):
          parser.add_argument('date', nargs='?', type=parse, default=None)
  
      def handle(self, *args, **options):
  
          stations = util.get_or_create_stations()
          day = options['date']
          if day is None:
              day = date.today() - timedelta(2)
  
          logger.info(
              'Importing observations of {} ALA stations from {}.'.format(
                  len(stations),
                  day
              )
          )
  
          try:
              for station in stations:
                  util.load(station, day)
                  util.create_avgs(station, day)
          except Exception as e:
              self.stdout.write(self.style.ERROR(e))
  
subject: Make default ALA's date the day before yesterday