From b5dc39f02c47d561110171e014c340844f4a52b3 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Thu, 8 May 2003 03:33:15 +0000
Subject: [PATCH] parsedate_tz(): Be slightly more lenient when there's no day
 of the week.  Patch given by Daniel Berlin in SF bug # 732761.  Also closes
 SF bug # 727719.

Backport candidate.
---
 Lib/email/_parseaddr.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Lib/email/_parseaddr.py b/Lib/email/_parseaddr.py
index 2b28b643048..c56cfd03cf3 100644
--- a/Lib/email/_parseaddr.py
+++ b/Lib/email/_parseaddr.py
@@ -54,9 +54,8 @@ def parsedate_tz(data):
         del data[0]
     else:
         i = data[0].rfind(',')
-        if i < 0:
-            return None
-        data[0] = data[0][i+1:]
+        if i >= 0:
+            data[0] = data[0][i+1:]
     if len(data) == 3: # RFC 850 date, deprecated
         stuff = data[0].split('-')
         if len(stuff) == 3: