gps pointed out that "== and != work in most cases but its better to use is
and is not as you'll never run into a case where someone's __eq__ or __ne__
method do the wrong thing."
Signed-off-by: Martin J. Bligh <mbligh@google.com>
git-svn-id: http://test.kernel.org/svn/autotest/trunk@2533 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/tko/save_query.cgi b/tko/save_query.cgi
index 80c91fc..78d65ea 100755
--- a/tko/save_query.cgi
+++ b/tko/save_query.cgi
@@ -16,7 +16,7 @@
tm = time.asctime()
uid = unique_cookie.unique_id('tko_history')
HTTP_REFERER = os.environ.get('HTTP_REFERER')
-if HTTP_REFERER == None:
+if HTTP_REFERER is None:
## fall back strategy for proxy connection
## substitute relative url
HTTP_REFERER = 'compose_query.cgi?' + urllib.urlencode(dict_url)