gistfile1.txt

mriedem@ubuntu:~/git/nova$ git diff
diff --git a/nova/objects/instance.py b/nova/objects/instance.py
index b010b7f..1b54446 100644
--- a/nova/objects/instance.py
+++ b/nova/objects/instance.py
@@ -739,9 +739,12 @@ class Instance(base.NovaPersistentObject, base.NovaObject,
                     self._context, self.uuid)
 
     def _load_flavor(self):
-        instance = self.__class__.get_by_uuid(
-            self._context, uuid=self.uuid,
-            expected_attrs=['flavor', 'system_metadata'])
+        # NOTE(mriedem): The API allows you to read deleted instances so we
+        # need to temporarily mutate the context to read the deleted instance.
+        with utils.temporary_mutation(self._context, read_deleted='yes'):
+            instance = self.__class__.get_by_uuid(
+                self._context, uuid=self.uuid,
+                expected_attrs=['flavor', 'system_metadata'])
 
         # NOTE(danms): Orphan the instance to make sure we don't lazy-load
         # anything below
mriedem@ubuntu:~/git/nova$