def _get_channel_list(version, params, identifier=None):
    if (version == 'v1'):
        return _get_channel_list_v1(params, identifier=identifier)
    else:
        raise LookupError()
def _get_channel_list(version, params, identifier=None):
    if (version == 'v1'):
        return _get_channel_list_v1(params, identifier=identifier)
    else:
        raise LookupError()