parameters: (value)
docstring: Throws when the path does not exist
docstring_summary: Throws when the path does not exist
docstring_tokens: Throws when the path does not exist
function: def existing_path(value):
      """Throws when the path does not exist"""
      if os.path.exists(value):
          return value
      else:
          raise argparse.ArgumentTypeError("Path {0} not found".format(value))
function_tokens: def existing_path ( value ) : if os . path . exists ( value ) : return value else : raise argparse . ArgumentTypeError ( "Path {0} not found" . format ( value ) )