Fix cascading delete error

jazzband/django-polymorphic#229
City-of-Helsinki · Jan 22, 2018 · 304c83d · 304c83d
1 parent aabb47f
commit 304c83d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/observations/models.py b/observations/models.py
@@ -75,6 +75,7 @@ class Observation(PolymorphicModel):
         ObservableProperty,
         blank=False, null=False,
         help_text='The property observed')
+    _base_manager = models.Manager()
     class Meta:
         ordering = ['-time']