From 4f75f1f41d1301be93b7918ffb8140314ac5105d Mon Sep 17 00:00:00 2001 From: Kenneth Reitz Date: Mon, 20 Feb 2012 12:30:12 -0500 Subject: [PATCH] Values can be none #433 --- requests/utils.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/requests/utils.py b/requests/utils.py index adb3414..97f5860 100644 --- a/requests/utils.py +++ b/requests/utils.py @@ -154,6 +154,8 @@ def header_expand(headers): # latin-1 is the most conservative encoding used on the web. Anyone # who needs more can encode to a byte-string before calling return headers.encode("latin-1") + elif headers is None: + return headers for i, (value, params) in enumerate(headers): -- 2.34.1