original_docstring: 
      Check whether directory dir exists.
      If true continue. Else exit.
      
docstring: Check whether directory dir exists.
  If true continue. Else exit.
docstring_tokens: Check whether directory dir exists . If true continue . Else exit .
code: def check_file(file):
      """
      Check whether directory dir exists.
      If true continue. Else exit.
      """
      if not os.path.isfile(file):
          logging.error('Path %s not found', file)
          logging.error('Aborting')
          sys.exit()
code_tokens: def check_file ( file ) : if not os . path . isfile ( file ) : logging . error ( 'Path %s not found' , file ) logging . error ( 'Aborting' ) sys . exit ( )
short_docstring: Check whether directory dir exists.
short_docstring_tokens: Check whether directory dir exists .
comment: """
      Check whether directory dir exists.
      If true continue. Else exit.
      """