From a9963e38414b3d5ee4f79d2026794a2382717da3 Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.com>
Date: Wed, 2 May 2012 18:57:06 -0400
Subject: [PATCH] upper case automatically

---
 requests/auth.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/requests/auth.py b/requests/auth.py
index 5d2d9820..520f1564 100644
--- a/requests/auth.py
+++ b/requests/auth.py
@@ -47,6 +47,12 @@ class OAuth1(AuthBase):
             signature_method=SIGNATURE_HMAC,
             signature_type=SIGNATURE_TYPE_AUTH_HEADER,
             rsa_key=None, verifier=None):
+
+        try:
+            signature_type = signature_type.upper()
+        except AttributeError:
+            pass
+
         self.client = Client(client_key, client_secret, resource_owner_key,
             resource_owner_secret, callback_uri, signature_method,
             signature_type, rsa_key, verifier)