Docserver: Update app version parsing since AppEngine started including /

chrome/common/extensions/docs/server2/compiled_file_system_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 functools
 import os
 
-from appengine_wrappers import GetAppVersion
 from compiled_file_system import CompiledFileSystem
 from copy import deepcopy
+from environment import GetAppVersion
 from file_system import FileNotFoundError
 from mock_file_system import MockFileSystem
 from object_store_creator import ObjectStoreCreator
 from test_file_system import TestFileSystem
 from test_object_store import TestObjectStore
 import unittest
 
 _TEST_DATA = {
   '404.html': '404.html contents',
   'apps': {
@@ skipping 175 matching lines @@
     self.assertTrue(*mock_fs.CheckAndReset(stat_count=1,
                                            read_count=2,
                                            read_resolve_count=1))
     future.Get()
     self.assertTrue(*mock_fs.CheckAndReset(read_count=2, read_resolve_count=3))
 
 
 
 if __name__ == '__main__':
   unittest.main()