[buildstream] 14/32: cleanupjob.py: Make complete_cb optional

[ro...@apache.org]

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root pushed a commit to branch testing/local-cache-expiry
in repository https://gitbox.apache.org/repos/asf/buildstream.git

commit 723a6ca8f1fd064b9993448f2ae4b93305daaf38
Author: Tristan Maat <tm...@tlater.net>
AuthorDate: Wed Jul 11 10:24:38 2018 +0100

    cleanupjob.py: Make complete_cb optional
---
 buildstream/_scheduler/jobs/cleanupjob.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/buildstream/_scheduler/jobs/cleanupjob.py b/buildstream/_scheduler/jobs/cleanupjob.py
index 3ae635a..2de3680 100644
--- a/buildstream/_scheduler/jobs/cleanupjob.py
+++ b/buildstream/_scheduler/jobs/cleanupjob.py
@@ -35,7 +35,8 @@ class CleanupJob(Job):
 
     def _parent_complete(self, success, result):
         self._cache._set_cache_size(result)
-        self._complete_cb()
+        if self._complete_cb:
+            self._complete_cb()
 
     @contextmanager
     def _child_logging_enabled(self, logfile):