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-rw-r--r--src/mailman/testing/helpers.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/mailman/testing/helpers.py b/src/mailman/testing/helpers.py
index ea940dbcf..fa16c1f7f 100644
--- a/src/mailman/testing/helpers.py
+++ b/src/mailman/testing/helpers.py
@@ -220,8 +220,7 @@ class TestableMaster(Master):
@property
def runner_pids(self):
"""The pids of all the child runner processes."""
- for pid in self._started_kids:
- yield pid
+ yield from self._started_kids