From b825bbd4a21d7d6e2a0ce17527b25139b26808a2 Mon Sep 17 00:00:00 2001
From: Donald Stufft <donald@stufft.io>
Date: Tue, 26 Nov 2013 21:41:15 -0500
Subject: [PATCH] Update urllib3 to 929f1586

---
 requests/packages/urllib3/_collections.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/requests/packages/urllib3/_collections.py b/requests/packages/urllib3/_collections.py
index 282b8d5e..5907b0dc 100644
--- a/requests/packages/urllib3/_collections.py
+++ b/requests/packages/urllib3/_collections.py
@@ -5,7 +5,16 @@
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
 from collections import MutableMapping
-from threading import RLock
+try:
+    from threading import RLock
+except ImportError: # Platform-specific: No threads available
+    class RLock:
+        def __enter__(self):
+            pass
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            pass
+
 
 try: # Python 2.7+
     from collections import OrderedDict