From f6dd8b0a4d902b8dbcfe2c13338427ef215d52a6 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <joseph.schorr@coreos.com>
Date: Mon, 24 Nov 2014 12:20:54 -0500
Subject: [PATCH] Fix NPE

---
 auth/scopes.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/auth/scopes.py b/auth/scopes.py
index 932541969..c71e5faa7 100644
--- a/auth/scopes.py
+++ b/auth/scopes.py
@@ -75,6 +75,9 @@ IMPLIED_SCOPES = {
 
 
 def scopes_from_scope_string(scopes):
+  if not scopes:
+    return {}
+    
   return {ALL_SCOPES.get(scope, None) for scope in scopes.split(',')}