old_contents: from django.core.management.base import BaseCommand
  from django.core.files.storage import default_storage
  from django.core.files.storage import get_storage_class
  
  from blogs.utils import storage_walk_paths
  
  
  class Command(BaseCommand):
      help = 'backup media files from s3 to local media root'
  
      def handle(self, *args, **options):
          s3 = get_storage_class('storages.backends.s3boto3.S3Boto3Storage')()
          for path in storage_walk_paths(s3):
              if not default_storage.exists(path):
                  print(path)
                  with s3.open(path, 'rb') as in_f:
                      default_storage.save(path, in_f)
  
new_contents: from django.core.management.base import BaseCommand
  from django.core.files.storage import default_storage
  from django.core.files.storage import get_storage_class
  
  from ...utils import storage_walk_paths
  
  
  class Command(BaseCommand):
      help = 'backup media files from s3 to local media root'
  
      def handle(self, *args, **options):
          s3 = get_storage_class('storages.backends.s3boto3.S3Boto3Storage')()
          for path in storage_walk_paths(s3):
              if not default_storage.exists(path):
                  print(path)
                  with s3.open(path, 'rb') as in_f:
                      default_storage.save(path, in_f)
  
subject: use relative instead of absolute import