def valid_config_exists(config_path=CONFIG_PATH):
if os.path.isfile(config_path):<EOL><INDENT>try:<EOL><INDENT>config = read_config(config_path)<EOL>check_config(config)<EOL><DEDENT>except (ConfigurationError, IOError):<EOL><INDENT>return False<EOL><DEDENT><DEDENT>else:<EOL><INDENT>return False<EOL><DEDENT>return True<EOL>
Verify that a valid config file exists.

    Args:
        config_path (str): Path to the config file.

    Returns:
        boolean: True if there is a valid config file, false if not.