Support extra_files in RQ tasks

closes #1695 (closed)

arkindex/images/models.py

@@ -15,9 +15,10 @@ from django.utils.text import slugify
 from enumfields import EnumField
 
 from arkindex.images.managers import ImageServerManager
-from arkindex.project.aws import S3FileMixin, S3FileStatus, should_verify_cert
+from arkindex.project.aws import S3FileMixin, S3FileStatus
 from arkindex.project.fields import LStripTextField, MD5HashField, StripSlashURLField
 from arkindex.project.models import IndexableModel
+from arkindex.project.tools import should_verify_cert
 
 logger = logging.getLogger(__name__)
 profile_uri_validator = URLValidator(schemes=["http", "https"], message="Invalid IIIF profile URI")