diff --git a/apiclient/ext/authtools.py b/apiclient/ext/authtools.py
index 5398bd8..f605d72 100644
--- a/apiclient/ext/authtools.py
+++ b/apiclient/ext/authtools.py
@@ -138,3 +138,5 @@
   f.write(pickle.dumps(credentials))
   f.close()
   print "You have successfully authenticated."
+
+  return credentials