Enable presubmit pylint in build/android.

build/android/pylib/base/test_dispatcher_unittest.py

 # 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.
 
 """Unittests for test_dispatcher.py."""
 
 import os
 import sys
 import unittest
 
 sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)),
                 os.pardir, os.pardir))
 
 # Mock out android_commands.GetAttachedDevices().
 from pylib import android_commands
 android_commands.GetAttachedDevices = lambda: ['0', '1']
 from pylib import constants
+from pylib.base import base_test_result
+from pylib.base import test_dispatcher
 from pylib.utils import watchdog_timer
 
-import base_test_result
-import test_dispatcher
-
 
 class TestException(Exception):
   pass
 
 
 class MockRunner(object):
   """A mock TestRunner."""
   def __init__(self, device='0', shard_index=0):
     self.device = device
     self.shard_index = shard_index
@@ skipping 151 matching lines @@
     results, exit_code = test_dispatcher.RunTests(
         [], MockRunner, ['0', '1'], shard=True)
     self.assertEqual(len(results.GetAll()), 0)
     self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
 
   def testTestsRemainWithAllDevicesOffline(self):
     attached_devices = android_commands.GetAttachedDevices
     android_commands.GetAttachedDevices = lambda: []
     try:
       with self.assertRaises(AssertionError):
-        results, exit_code = TestShard._RunShard(MockRunner)
+        _results, _exit_code = TestShard._RunShard(MockRunner)
     finally:
       android_commands.GetAttachedDevices = attached_devices
 
 
 class TestReplicate(unittest.TestCase):
   """Tests test_dispatcher.RunTests with replication."""
   @staticmethod
   def _RunReplicate(runner_factory):
     return test_dispatcher.RunTests(
         ['a', 'b', 'c'], runner_factory, ['0', '1'], shard=False)
@@ skipping 12 matching lines @@
 
   def testNoTests(self):
     results, exit_code = test_dispatcher.RunTests(
         [], MockRunner, ['0', '1'], shard=False)
     self.assertEqual(len(results.GetAll()), 0)
     self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
 
 
 if __name__ == '__main__':
   unittest.main()