How to use the deployfish.config.Config function in deployfish

def _entrypoint(ctx, section, section_name, cluster_name, parameter_prefix, command, dry_run):
    if section_name and cluster_name:
        # The only thing we need out of Config is the names of any config:
        # section variables we might have.  We don't need to do interpolation
        # in the config: section, because we retrieve the values from Parameter
        # Store, and we don't want to use any aws: section that might be in the
        # deployfish.yml to configure our boto3 session because we want to defer
        # to the IAM ECS Task Role.
        config = Config(
            filename=ctx.obj['CONFIG_FILE'],
            interpolate=False,
            use_aws_section=False
        )
        try:
            section_yml = config.get_section_item(section, section_name)
        except KeyError:
            click.echo("Our container's deployfish config file '{}' does not have section '{}' in '{}'".format(
                ctx.obj['CONFIG_FILE'] or 'deployfish.yml',
                section_name,
                section
            ))
            sys.exit(1)
        parameter_store = []
        if 'config' in section_yml:
            parameter_name = parameter_prefix + section_name

def wrapper(*args, **kwargs):
        try:
            args[0].obj['CONFIG'] = Config(
                filename=args[0].obj['CONFIG_FILE'],
                env_file=args[0].obj['ENV_FILE'],
                import_env=args[0].obj['IMPORT_ENV'],
                tfe_token=args[0].obj['TFE_TOKEN']
            )
        except NoSuchStateFile as e:
            click.echo(str(e))
            sys.exit(1)
        else:
            return func(*args, **kwargs)
    return wrapper