Fixed #15079 -- Added a missing import in the cache infrastructure. Thanks to jaylett for the report.
Fixed #15079 -- Added a missing import in the cache infrastructure. Thanks to jaylett for the report.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%4015214

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel