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 getUseageMessage(self):
        return ("- TECHORANGE -\n"
                "useage:\n"
                "index - download entry page of TECHORANGE \n"
                "tag - download not obtained tag page \n"
                "news [tag] - download not obtained news [of given tag] \n")