[toolchain-utils] Fix remaining lint errors in toolchain-utils.

In addition to fixing the lint errors, this also fixes the Python
formatting issues (ran tc_pyformat on nearly all the files).

BUG=chromium:570450
TEST=Ran all crosperf & bisect tool unit tests.
     Ran afe_lock_machine.py (check machine status)
     Ran full crosperf test (octane, speedometer, BootPerf) on alex.

Change-Id: Ic86f9192801ac67769f3de30f1c5f0d203ce0831
Reviewed-on: https://chromium-review.googlesource.com/471886
Commit-Ready: Caroline Tice <cmtice@chromium.org>
Tested-by: Caroline Tice <cmtice@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>

1 files changed, 7 insertions, 6 deletions

diff --git a/get_common_image_version.py b/get_common_image_version.py
index da36b98f..4bb6949f 100755
--- a/get_common_image_version.py
+++ b/get_common_image_version.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 #
 # Copyright 2013 Google Inc. All Rights Reserved.
 """Script to find list of common images (first beta releases) in Chromeos.
@@ -63,11 +63,12 @@ def Main(argv):
   """Get ChromeOS first betas list from history URL."""
 
   parser = argparse.ArgumentParser()
-  parser.add_argument('--serialize',
-                      dest='serialize',
-                      default=None,
-                      help='Save list of common images into the specified '
-                      'file.')
+  parser.add_argument(
+      '--serialize',
+      dest='serialize',
+      default=None,
+      help='Save list of common images into the specified '
+      'file.')
   options = parser.parse_args(argv)
 
   try: