Ticket #16022: fieldfile-weakref.patch

django/db/models/fields/files.py

@@ -1 +1 @@
 import datetime
 import os
+import weakref
 
 from django.conf import settings
 from django.db.models.fields import Field
@@ -17 +18 @@
 class FieldFile(File):
     def __init__(self, instance, field, name):
         super(FieldFile, self).__init__(None, name)
-        self.instance = instance
+        self.instance = weakref.ref(instance)
         self.field = field
         self.storage = field.storage
         self._committed = True