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 archlib(self):
        """Relative location of architecture-specific libraries"""
        return join_path('platforms', self.foam_arch, 'lib')