task/background_exec.py: s/itervalues/values/

to by python3 compatible

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/teuthology/task/background_exec.py b/teuthology/task/background_exec.py
index cf187e9f5d6990cee2e7311119ef91bffbabc086..897b525312d8aae55753703edc13a7902af31257 100644 (file)
--- a/teuthology/task/background_exec.py
+++ b/teuthology/task/background_exec.py
@@ -73,4 +73,4 @@ def task(ctx, config):
         for name, task in tasks.items():
             log.info('Stopping background command on %s', name)
             task.stdin.close()
-        run.wait(tasks.itervalues())
+        run.wait(tasks.values())