Update appengine-pipelines before files API turndown.

appengine/findit/waterfall/test/build_failure_analysis_pipelines_test.py

 # Copyright 2014 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 os
 import logging
 
-from pipeline_utils.appengine_third_party_pipeline_src_pipeline import handlers
+from pipeline_utils.appengine_third_party_pipeline_python_src_pipeline \
+    import handlers
 from testing_utils import testing
 
 from model.wf_analysis import WfAnalysis
 from model import wf_analysis_status
 from waterfall import build_failure_analysis_pipelines
 from waterfall import buildbot
 from waterfall import lock_util
 
 
 class _MockRootPipeline(object):
@@ skipping 152 matching lines @@
     self.mock(build_failure_analysis_pipelines.analyze_build_failure_pipeline,
               'AnalyzeBuildFailurePipeline',
               _MockRootPipeline)
     _MockRootPipeline.STARTED = False
 
     build_failure_analysis_pipelines.ScheduleAnalysisIfNeeded(
         master_name, builder_name, build_number,
         failed_steps=['a'], force=False, queue_name='default')
 
     self.assertFalse(_MockRootPipeline.STARTED)