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 projectdir(self):
        """Absolute location of project directory: WM_PROJECT_DIR/"""
        return self.prefix  # <- install directly under prefix