From: Antoine Pitrou <antoine@python.org>
Date: Tue, 15 Nov 2016 09:44:16 +0000 (+0100)
Subject: Avoid referencing globals in emulated is_finalizing()
X-Git-Tag: v4.5.0~54^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=802a50a3ab905f0abf0c569ec5fba62c69762ffd;p=thirdparty%2Ftornado.git

Avoid referencing globals in emulated is_finalizing()
---

diff --git a/tornado/util.py b/tornado/util.py
index 174c35df6..d0f83d1ff 100644
--- a/tornado/util.py
+++ b/tornado/util.py
@@ -76,7 +76,8 @@ except ImportError:
         atexit.register(lambda: L.append(None))
 
         def is_finalizing():
-            return bool(L)
+            # Not referencing any globals here
+            return L != []
 
         return is_finalizing