def METHOD_NAME(d, indent=0):
    """Pretty print config.
    """
    for key, value in d.items():
        if isinstance(value, dict):
            print('    ' * indent + "%s:" % str(key))
            METHOD_NAME(value, indent + 1)
        else:
            print('    ' * indent + "%s: %s" % (str(key), repr(value)))