How to use the wily.config.DEFAULT_GRID_STYLE function in wily

except KeyError:
                logger.debug(f"Could not find file {item} in index")

    # Sort by ideal value
    data = sorted(data, key=op.itemgetter(1), reverse=descending)

    if limit:
        data = data[:limit]

    # Tack on the total row at the end
    data.append(["Total", metric.aggregate(rev[1] for rev in data)])

    headers = ("File", metric.description)
    print(
        tabulate.tabulate(
            headers=headers, tabular_data=data, tablefmt=DEFAULT_GRID_STYLE
        )

else:
                data.append(
                    (
                        format_revision(rev.revision.key),
                        rev.revision.author_name,
                        format_date(rev.revision.date),
                    )
                )

    if include_message:
        headers = ("Revision", "Author", "Message", "Date")
    else:
        headers = ("Revision", "Author", "Date")
    print(
        tabulate.tabulate(
            headers=headers, tabular_data=data, tablefmt=DEFAULT_GRID_STYLE
        )

if current == "-" and new == "-":
                    metrics_data.append("-")
                else:
                    metrics_data.append("{0} -> {1}".format(current, new))
        if has_changes or not changes_only:
            results.append((file, *metrics_data))
        else:
            logger.debug(metrics_data)

    descriptions = [metric.description for operator, metric in metrics]
    headers = ("File", *descriptions)
    if len(results) > 0:
        print(
            # But it still makes more sense to show the newest at the top, so reverse again
            tabulate.tabulate(
                headers=headers, tabular_data=results, tablefmt=DEFAULT_GRID_STYLE
            )

    default=DEFAULT_GRID_STYLE,
    help="Style for the console grid, see Tabulate Documentation for a list of styles.",
)
@click.option(
    "-o", "--output", help="Output report to specified HTML path, e.g. reports/out.html"
)
@click.pass_context
def report(ctx, file, metrics, number, message, format, console_format, output):
    """Show metrics for a given file."""
    config = ctx.obj["CONFIG"]

    if not exists(config):
        handle_no_cache(ctx)

    if not metrics:
        metrics = get_default_metrics(config)
        logger.info(f"Using default metrics {metrics}")

else:
                data.append(
                    (
                        format_revision(rev.revision.key),
                        rev.revision.author_name,
                        format_date(rev.revision.date),
                    )
                )

    if include_message:
        headers = ("Revision", "Author", "Message", "Date")
    else:
        headers = ("Revision", "Author", "Date")
    print(
        tabulate.tabulate(
            headers=headers, tabular_data=data, tablefmt=DEFAULT_GRID_STYLE
        )

def list_metrics():
    """List metrics available."""
    for name, operator in ALL_OPERATORS.items():
        print(f"{name} operator:")
        if len(operator.cls.metrics) > 0:
            print(
                tabulate.tabulate(
                    headers=("Name", "Description", "Type"),
                    tabular_data=operator.cls.metrics,
                    tablefmt=DEFAULT_GRID_STYLE,
                )