In the presubmit for auto-bisect, run pylint and unit tests.

tools/bisect-perf-regression.py

 #!/usr/bin/env python
 # Copyright (c) 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.
 
 """Performance Test Bisect Tool
 
 This script bisects a series of changelists using binary search. It starts at
 a bad revision where a performance metric has regressed, and asks for a last
 known-good revision. It will then binary search across this revision range by
@@ skipping 521 matching lines @@
     res = fetch_build()
     if res:
       return (res, 'Build successfully found')
     elapsed_status_check = time.time() - last_status_check
     # To avoid overloading try server with status check requests, we check
     # build status for every 10 minutes.
     if elapsed_status_check > status_check_interval:
       last_status_check = time.time()
       if not build_num:
         # Get the build number on try server for the current build.
-        build_num = bisect_builder.GetBuildNumFromBuilder(
+        build_num = request_build.GetBuildNumFromBuilder(
             build_request_id, bot_name, builder_host, builder_port)
       # Check the status of build using the build number.
       # Note: Build is treated as PENDING if build number is not found
       # on the the try server.
-      build_status, status_link = bisect_builder.GetBuildStatus(
+      build_status, status_link = request_build.GetBuildStatus(
           build_num, bot_name, builder_host, builder_port)
-      if build_status == bisect_builder.FAILED:
+      if build_status == request_build.FAILED:
         return (None, 'Failed to produce build, log: %s' % status_link)
     elapsed_time = time.time() - start_time
     if elapsed_time > max_timeout:
       return (None, 'Timed out: %ss without build' % max_timeout)
 
     print 'Time elapsed: %ss without build.' % elapsed_time
     time.sleep(poll_interval)
     # For some reason, mac bisect bots were not flushing stdout periodically.
     # As a result buildbot command is timed-out. Flush stdout on all platforms
     # while waiting for build.
@@ skipping 802 matching lines @@
     # not supported by builders to build.
     job_args = {
         'revision': 'src@%s' % git_revision,
         'bot': bot_name,
         'name': build_request_id,
     }
     # Update patch information if supplied.
     if patch:
       job_args['patch'] = patch
     # Posts job to build the revision on the server.
-    if bisect_builder.PostTryJob(builder_host, builder_port, job_args):
+    if request_build.PostTryJob(builder_host, builder_port, job_args):
       target_file, error_msg = _WaitUntilBuildIsReady(
           fetch_build, bot_name, builder_host, builder_port, build_request_id,
           build_timeout)
       if not target_file:
         print '%s [revision: %s]' % (error_msg, git_revision)
         return None
       return target_file
     print 'Failed to post build request for revision: [%s]' % git_revision
     return None
 
@@ skipping 1976 matching lines @@
       # bugs. If you change this, please update the perf dashboard as well.
       bisect_utils.OutputAnnotationStepStart('Results')
     print 'Error: %s' % e.message
     if opts.output_buildbot_annotations:
       bisect_utils.OutputAnnotationStepClosed()
   return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())