From 6613fb8412ce9551875c200af77d4c41f6911772 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Mon, 17 Mar 2003 20:36:20 +0000
Subject: _encode_chunks(): Throw out empty chunks.

---
 Lib/email/Header.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/email/Header.py b/Lib/email/Header.py
index 66a18c8..624e7c4 100644
--- a/Lib/email/Header.py
+++ b/Lib/email/Header.py
@@ -361,6 +361,8 @@ class Header:
         #  =?charset2?b?SvxyZ2VuIEL2aW5n?="
         chunks = []
         for header, charset in newchunks:
+            if not header:
+                continue
             if charset is None or charset.header_encoding is None:
                 s = header
             else:
-- 
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