def test_invalid_scalar_index(adata, index):
    # https://github.com/theislab/anndata/issues/619
    with pytest.raises(IndexError, match=r".*index.* out of range\."):
        _ = adata[index]
def projectdir(self):
        """Absolute location of project directory: WM_PROJECT_DIR/"""
        return self.prefix  # <- install directly under prefix