From dd89ac38a9edae137571f882067a5a8b1594c2d3 Mon Sep 17 00:00:00 2001
From: Lx Yu <i@lxyu.net>
Date: Fri, 20 Dec 2013 15:15:26 +0800
Subject: [PATCH] fix for post data type error in py3.

---
 flask_oauthlib/client.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/flask_oauthlib/client.py b/flask_oauthlib/client.py
index 3aea1c51..4c3c4db3 100644
--- a/flask_oauthlib/client.py
+++ b/flask_oauthlib/client.py
@@ -572,6 +572,8 @@ def handle_oauth2_response(self):
         remote_args.update(self.access_token_params)
         if self.access_token_method == 'POST':
             body = client.prepare_request_body(**remote_args)
+            if PY3:
+                body = body.encode('utf-8')
             resp, content = self.http_request(
                 self.expand_url(self.access_token_url),
                 data=body,