Fixed -- Doc'd cache.get()/delete() behavior change in Django 2.2.
@@ -471,6 +471,9 @@ Miscellaneous
with several third-party apps that had models in tests without migrations.
You must add migrations for such models.
+* Providing an integer in the ``key`` argument of the :meth:`.cache.delete` or
+ :meth:`.cache.get` now raises :exc:`ValueError`.
+
.. _deprecated-features-2.2:
Features deprecated in 2.2
