Fixing for Django 1.9.

Importing getLogger via django.utils.log was just importing logging.getLogger
by proxy. Code changes in Django 1.9 break the import.

Author: kevcampb

readonly/__init__.py

@@ -13,7 +13,7 @@
     from django.db.backends import util
 else:
     from django.db.backends import utils as util
-from django.utils.log import getLogger
+from logging import getLogger
 
 from readonly.exceptions import DatabaseWriteDenied