one more rule

diff --git a/lib/sqlalchemy/orm/dependency.py b/lib/sqlalchemy/orm/dependency.py
index 5729f553d7f3d6837b865bb26c429ec3c686c52f..b7c62a48707b886c85c0f09e560b0ed87d88e116 100644 (file)
--- a/lib/sqlalchemy/orm/dependency.py
+++ b/lib/sqlalchemy/orm/dependency.py
@@ -385,7 +385,8 @@ class ManyToOneDP(DependencyProcessor):
             uow.dependencies.update([
                 (child_saves, after_save),
                 (after_save, parent_saves),
-                (parent_saves, child_deletes)
+                (parent_saves, child_deletes),
+                (parent_deletes, child_deletes)
             ])
 
     def presort_deletes(self, uowcommit, states):