From: cloudaice <cloudaice@163.com>
Date: Thu, 16 May 2013 09:06:41 +0000 (+0200)
Subject: comparison to None should be 'if cond is not None'
X-Git-Tag: v3.1.0~74
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91a2a059f791a00e11aa00d916cc90f432217cb2;p=thirdparty%2Ftornado.git

comparison to None should be 'if cond is not None'
---

diff --git a/tornado/options.py b/tornado/options.py
index 8191946df..b65878028 100644
--- a/tornado/options.py
+++ b/tornado/options.py
@@ -360,11 +360,11 @@ class _Option(object):
                 raise Error("Option %r is required to be a list of %s" %
                             (self.name, self.type.__name__))
             for item in value:
-                if item != None and not isinstance(item, self.type):
+                if item is not None and not isinstance(item, self.type):
                     raise Error("Option %r is required to be a list of %s" %
                                 (self.name, self.type.__name__))
         else:
-            if value != None and not isinstance(value, self.type):
+            if value is not None and not isinstance(value, self.type):
                 raise Error("Option %r is required to be a %s (%s given)" %
                             (self.name, self.type.__name__, type(value)))
         self._value = value