def adata():
    adata = ad.AnnData(np.zeros((100, 100)))
    adata.obsm["o"] = np.zeros((100, 50))
    adata.varm["o"] = np.zeros((100, 50))
    return adata
def do_register_opts(opts, group=None, ignore_errors=False):
    try:
        cfg.CONF.register_opts(opts, group=group)
    except:
        if not ignore_errors:
            raise