Darragh Bailey bfb18520e6 Ensure keep is an iterable
If no value is provided for 'keep' when calling delete_old_managed,
ensure a default empty iterable is used to prevent an exception.

Change-Id: I3110f8e03e287a6ff067b992ed8631e34121a8d2
2016-11-14 13:40:03 +00:00
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2016-11-14 13:16:57 +00:00
2016-11-14 13:40:03 +00:00