1 files changed, 2 insertions, 1 deletions

diff --git a/src/mailman_pgp/model/list.py b/src/mailman_pgp/model/list.py
index 84cb3bc..6087f54 100644
--- a/src/mailman_pgp/model/list.py
+++ b/src/mailman_pgp/model/list.py
@@ -16,11 +16,12 @@
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """Model for PGP enabled mailing lists."""
+from os import system
+
 from mailman.database.types import Enum, SAUnicode
 from mailman.interfaces.action import Action
 from mailman.interfaces.listmanager import IListManager, ListDeletingEvent
 from mailman.interfaces.member import MemberRole
-from os import system
 from public import public
 from sqlalchemy import Boolean, Column, Integer
 from sqlalchemy.orm import reconstructor