Insert third_party in to the beginning of PATH

commit_queue.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Access the commit queue from the command line.
 """
 
 __version__ = '0.1'
 
 import functools
 import json
 import logging
 import optparse
 import os
 import sys
 import urllib2
 
 import breakpad  # pylint: disable=W0611
 
 import auth
 import fix_encoding
 import rietveld
 
 THIRD_PARTY_DIR = os.path.join(os.path.dirname(__file__), 'third_party')
-sys.path.append(THIRD_PARTY_DIR)
+sys.path.insert(0, THIRD_PARTY_DIR)
 
 from cq_client import cq_pb2
 from google.protobuf import text_format
 
 def usage(more):
   def hook(fn):
     fn.func_usage_more = more
     return fn
   return hook
 
@@ skipping 191 matching lines @@
   return CMDhelp(parser, args)
 
 
 if __name__ == "__main__":
   fix_encoding.fix_encoding()
   try:
     sys.exit(main())
   except KeyboardInterrupt:
     sys.stderr.write('interrupted\n')
     sys.exit(1)