From b7fe59cc35bc48a8759bf82025957b709030442d Mon Sep 17 00:00:00 2001
From: Colin Rolfe <crolfe@gmail.com>
Date: Tue, 27 Feb 2018 11:54:06 -0800
Subject: [PATCH] fix bug in _fetch_client_token were data parameter was
 assumed to be a str, instead of a dict

---
 vault.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/vault.py b/vault.py
index 4372aee..7f68111 100644
--- a/vault.py
+++ b/vault.py
@@ -169,7 +169,10 @@ def _fetch_client_token(self, cafile, capath, url, data, cahostverify, skipverif
                 context.check_hostname = cahostverify
             elif skipverify:
                 context = ssl._create_unverified_context()
-            data = data.encode('utf-8') if data else None
+
+            for key, value in data.items():
+                data[key] = value.encode('utf-8')
+
             req = urllib2.Request(url, json.dumps(data))
             req.add_header('Content-Type', 'application/json')
             response = urllib2.urlopen(req, context=context) if context else urllib2.urlopen(req)