more missing imports

ckanext/dgu/controllers/package.py

@@ -12,6 +12,7 @@ from ckan.common import request
 from ckan.lib.base import model, abort, response, g, h, BaseController
 from ckanext.dgu.plugins_toolkit import render, c, request, _, ObjectNotFound, NotAuthorized, ValidationError, get_action, check_access
 from ckan.lib.field_types import DateType, DateConvertError
+import ckan.lib.navl.dictization_functions as dict_fns
 from ckan.lib.navl.dictization_functions import Invalid, DataError, unflatten
 from ckanext.dgu.schema import GeoCoverageType
 from ckan.lib.navl.dictization_functions import missing