From cfecd599b6dbcc7939560e6ca0a74b4223b389e2 Mon Sep 17 00:00:00 2001 From: Georg Brandl Date: Thu, 25 May 2006 18:44:09 +0000 Subject: [PATCH] Guard the _active.remove() call to avoid errors when there is no _active list. --- Lib/popen2.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Lib/popen2.py b/Lib/popen2.py index 67ebd26dd64..b966d4c80eb 100644 --- a/Lib/popen2.py +++ b/Lib/popen2.py @@ -72,8 +72,9 @@ class Popen3: # In case the child hasn't been waited on, check if it's done. self.poll(_deadstate=sys.maxint) if self.sts < 0: - # Child is still running, keep us alive until we can wait on it. - _active.append(self) + if _active: + # Child is still running, keep us alive until we can wait on it. + _active.append(self) def _run_child(self, cmd): if isinstance(cmd, basestring):