group_acl: line too long

weblate/trans/models/group_acl.py

@@ -38,7 +38,9 @@ class GroupACL(models.Model):
 
     def clean(self):
         if not self.project and not self.subproject and not self.language:
-            raise ValidationError(_('Project, subproject or language must be specified'))
+            raise ValidationError(
+                _('Project, subproject or language must be specified')
+            )
 
         # ignore project if subproject is set
         if self.project and self.subproject: