From: Georg Brandl <georg@python.org>
Date: Fri, 21 Jul 2006 17:36:31 +0000 (+0000)
Subject: Fix check for empty list (vs. None).
X-Git-Tag: v2.5b3~204
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4085f1499c55b38343b86ced4b67b7382ffbecc3;p=thirdparty%2FPython%2Fcpython.git

Fix check for empty list (vs. None).
---

diff --git a/Lib/popen2.py b/Lib/popen2.py
index 6f56a926e993..694979e6d632 100644
--- a/Lib/popen2.py
+++ b/Lib/popen2.py
@@ -72,7 +72,7 @@ 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:
-            if _active:
+            if _active is not None:
                 # Child is still running, keep us alive until we can wait on it.
                 _active.append(self)