diff options
Diffstat (limited to 'Lib/popen2.py')
| -rw-r--r-- | Lib/popen2.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/popen2.py b/Lib/popen2.py index 67ebd26..b966d4c 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): |