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 test_date_later_than_1900(self):
        assert_equal(inputs.date("1900-01-01"), datetime(1900, 1, 1))