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 visitdir(self, dir):
        dir = normalizerootdir(dir, "visitdir")
        matched = self._matcher.match_relative(dir, True)
        if matched:
            # Everything in the directory is selected (ignored)
            return "all"
        else:
            # Not sure
            return True