From: Georg Brandl <georg@python.org>
Date: Thu, 25 May 2006 18:44:09 +0000 (+0000)
Subject: Guard the _active.remove() call to avoid errors when there is no _active list.
X-Git-Tag: v2.5b1~526
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cfecd599b6dbcc7939560e6ca0a74b4223b389e2;p=thirdparty%2FPython%2Fcpython.git

Guard the _active.remove() call to avoid errors when there is no _active list.
---

diff --git a/Lib/popen2.py b/Lib/popen2.py
index 67ebd26dd64e..b966d4c80eb1 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):