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 __exit__(self, exc_type, exc_val, exc_tb):
        connection = connections[get_tenant_database_alias()]

        connection.set_tenant(self._previous_tenant.pop())