old_contents: from __future__ import print_function
  from __future__ import unicode_literals
  
  import argparse
  import os
  
  from six.moves import configparser
  
  
  def get_your_keys(credentials_file):
      """ reads the secret keys in your credentials file in order to be able to look
      for them in the submitted code.
      """
      aws_credentials_file_path = os.path.expanduser(credentials_file)
      if not os.path.exists(aws_credentials_file_path):
          return None
  
      parser = configparser.ConfigParser()
      parser.read(aws_credentials_file_path)
  
      keys = set()
      for section in parser.sections():
          keys.add(parser.get(section, 'aws_secret_access_key'))
      return keys
  
  
  def check_file_for_aws_keys(filename, keys):
      with open(filename, 'r') as content:
          # naively match the entire file, chances be so slim
          # of random characters matching your flipping key.
          text_body = content.read()
          if any(key in text_body for key in keys):
              return 1
      return 0
  
  
  def main(argv=None):
      parser = argparse.ArgumentParser()
      parser.add_argument('filenames', nargs='*', help='Filenames to run')
      parser.add_argument(
          "--credentials-file",
          default='~/.aws/credentials',
          help="location of aws credentials file from which to get the secret "
               "keys we're looking for",
      )
      args = parser.parse_args(argv)
      keys = get_your_keys(args.credentials_file)
      if not keys:
          return 2
  
      retv = 0
      for filename in args.filenames:
          retv |= check_file_for_aws_keys(filename, keys)
      return retv
  
  
  if __name__ == '__main__':
      exit(main())
  
new_contents: from __future__ import print_function
  from __future__ import unicode_literals
  
  import argparse
  import os
  
  from six.moves import configparser  # pylint: disable=import-error
  
  
  def get_your_keys(credentials_file):
      """ reads the secret keys in your credentials file in order to be able to look
      for them in the submitted code.
      """
      aws_credentials_file_path = os.path.expanduser(credentials_file)
      if not os.path.exists(aws_credentials_file_path):
          return None
  
      parser = configparser.ConfigParser()
      parser.read(aws_credentials_file_path)
  
      keys = set()
      for section in parser.sections():
          keys.add(parser.get(section, 'aws_secret_access_key'))
      return keys
  
  
  def check_file_for_aws_keys(filename, keys):
      with open(filename, 'r') as content:
          # naively match the entire file, chances be so slim
          # of random characters matching your flipping key.
          text_body = content.read()
          if any(key in text_body for key in keys):
              return 1
      return 0
  
  
  def main(argv=None):
      parser = argparse.ArgumentParser()
      parser.add_argument('filenames', nargs='*', help='Filenames to run')
      parser.add_argument(
          "--credentials-file",
          default='~/.aws/credentials',
          help="location of aws credentials file from which to get the secret "
               "keys we're looking for",
      )
      args = parser.parse_args(argv)
      keys = get_your_keys(args.credentials_file)
      if not keys:
          return 2
  
      retv = 0
      for filename in args.filenames:
          retv |= check_file_for_aws_keys(filename, keys)
      return retv
  
  
  if __name__ == '__main__':
      exit(main())
  
subject: disable import checking for six.moves