old_contents: #!/usr/bin/env python
  
  # Copyright (c) 2015 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.
  
  """Runs simulation tests and lint on the recipes."""
  
  import os
  import subprocess
  
  ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  
  def recipes_py(*args):
    subprocess.check_call([os.path.join(ROOT_DIR, 'recipes.py')] + list(args))
  
  recipes_py('simulation_test')
  recipes_py('lint')
  
new_contents: #!/usr/bin/env python
  
  # Copyright (c) 2015 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.
  
  """Runs simulation tests and lint on the recipes."""
  
  import os
  import subprocess
  
  ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  
  def recipes_py(*args):
    subprocess.check_call([
        os.path.join(ROOT_DIR, 'recipes.py'), '--use-bootstrap'] + list(args))
  
  recipes_py('simulation_test')
  recipes_py('lint')
  
subject: Use recipe bootstrap