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 get_bind(self, mapper=None, **kwargs):
                    return super(MySession, self).get_bind(
                        mapper=mapper, **kwargs
                    )