gistfile1.diff

diff --git a/apps/api/authentication.py b/apps/api/authentication.py
index 70f6610..6b8bd6d 100644
--- a/apps/api/authentication.py
+++ b/apps/api/authentication.py
@@ -1,3 +1,5 @@
+from functools import partial
+
 import jingo
 from piston.authentication.oauth import OAuthAuthentication, views
 
@@ -20,6 +22,10 @@ class AMOOAuthAuthentication(OAuthAuthentication):
         if request.user and request.user.is_authenticated():
             return True
 
+        # To avoid patching django-piston, use a partial to cope with
+        # piston not sending in request when called later.
+        self.challenge = partial(self._challenge, request=request)
+
         # Authenticate the user using Piston, rv will be True or False
         # depending upon how it went.
         rv = super(AMOOAuthAuthentication, self).is_authenticated(request)
@@ -36,7 +42,7 @@ class AMOOAuthAuthentication(OAuthAuthentication):
 
         return rv
 
-    def challenge(self, request):
+    def _challenge(self, request):
         response = jingo.render(request, 'piston/oauth/challenge.html', status=401)
         response['WWW-Authenticate'] = 'OAuth realm="API"'
         return response