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-rw-r--r--src/mailman/database/base.py9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/mailman/database/base.py b/src/mailman/database/base.py
index a69e99395..1595007f1 100644
--- a/src/mailman/database/base.py
+++ b/src/mailman/database/base.py
@@ -15,7 +15,7 @@
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
-from __future__ import absolute_import, unicode_literals
+from __future__ import absolute_import, print_function, unicode_literals
__metaclass__ = type
__all__ = [
@@ -32,7 +32,7 @@ from lazr.config import as_boolean
from pkg_resources import resource_listdir, resource_string
from storm.cache import GenerationalCache
from storm.locals import create_database, Store
-from zope.interface import implements
+from zope.interface import implementer
from mailman.config import config
from mailman.interfaces.database import IDatabase
@@ -45,6 +45,7 @@ NL = '\n'
+@implementer(IDatabase)
class StormBaseDatabase:
"""The database base class for use with the Storm ORM.
@@ -55,8 +56,6 @@ class StormBaseDatabase:
# classes.
TAG = ''
- implements(IDatabase)
-
def __init__(self):
self.url = None
self.store = None
@@ -187,7 +186,7 @@ class StormBaseDatabase:
:param store: The Storm store to load the schema into.
:type store: storm.locals.Store`
- :param version: The schema version identifier of the form
+ :param version: The schema version identifier of the form
YYYYMMDDHHMMSS.
:type version: string
:param filename: The file name containing the schema to load. Pass