Docserver: Update app version parsing since AppEngine started including /

chrome/common/extensions/docs/server2/object_store_creator_test.py

 #!/usr/bin/env python
 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import unittest
 
-from appengine_wrappers import GetAppVersion
+from environment import GetAppVersion
 from test_object_store import TestObjectStore
 from object_store_creator import ObjectStoreCreator
 
 class _FooClass(object):
   def __init__(self): pass
 
 class ObjectStoreCreatorTest(unittest.TestCase):
   def setUp(self):
     self._creator = ObjectStoreCreator(start_empty=False,
                                        store_type=TestObjectStore,
@@ skipping 26 matching lines @@
     self.assertRaises(ValueError, ObjectStoreCreator)
 
   def testIllegalCharacters(self):
     self.assertRaises(ValueError,
                       self._creator.Create, _FooClass, app_version='1&2')
     self.assertRaises(ValueError,
                       self._creator.Create, _FooClass, category='a=&b')
 
 if __name__ == '__main__':
   unittest.main()