Fixes issue #85. Also moves all json imports to go through oauth2client.anyjson.  Reviewed in http://codereview.appspot.com/5531064/.
diff --git a/tests/test_oauth2client_appengine.py b/tests/test_oauth2client_appengine.py
index 4ab4f03..f2f470f 100644
--- a/tests/test_oauth2client_appengine.py
+++ b/tests/test_oauth2client_appengine.py
@@ -35,18 +35,18 @@
 import dev_appserver
 dev_appserver.fix_sys_path()
 
-from apiclient.anyjson import simplejson
 from apiclient.http import HttpMockSequence
 from google.appengine.api import apiproxy_stub
 from google.appengine.api import apiproxy_stub_map
 from google.appengine.api import users
 from google.appengine.ext import testbed
 from google.appengine.ext import webapp
-from oauth2client.client import AccessTokenRefreshError
-from oauth2client.client import FlowExchangeError
+from oauth2client.anyjson import simplejson
 from oauth2client.appengine import AppAssertionCredentials
 from oauth2client.appengine import OAuth2Decorator
 from oauth2client.appengine import OAuth2Handler
+from oauth2client.client import AccessTokenRefreshError
+from oauth2client.client import FlowExchangeError
 from webtest import TestApp