old_contents: import os
  import sys
  
  
  def run_main():
      # Put the pip relative to this file first on sys.path so that it would be
      # run with first priority.
      base = os.path.dirname(
          os.path.dirname(os.path.abspath(__file__))
      )
      sys.path.insert(0, base)
      import pip
      sys.exit(pip.main())
  
  if __name__ == '__main__':
      run_main()
  
new_contents: if __name__ == '__main__':
      import sys
      import pip
      sys.exit(pip.main())
  
subject: Make main even simpler