From 301d1a838f56c6c8e5e886b7dde3de88656cfae4 Mon Sep 17 00:00:00 2001
From: ayanamist <ayanamist@gmail.com>
Date: Mon, 20 Aug 2012 17:18:26 +0800
Subject: [PATCH] Fix kennethreitz/requests#790

---
 requests/auth.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/requests/auth.py b/requests/auth.py
index 099ac593..d2e806ef 100644
--- a/requests/auth.py
+++ b/requests/auth.py
@@ -78,7 +78,8 @@ class OAuth1(AuthBase):
         # extract_params will not give params unless the body is a properly
         # formatted string, a dictionary or a list of 2-tuples.
         decoded_body = extract_params(r.data)
-        if contenttype == None and decoded_body != None:
+        if (contenttype is None or contenttype.lower() == "application/x-www-form-urlencoded")\
+            and decoded_body != None:
             # extract_params can only check the present r.data and does not know
             # of r.files, thus an extra check is performed. We know that
             # if files are present the request will not have