def test_no_outputs(nb_file): """Ensure that no cells have output.""" pytest.importorskip("IPython", minversion="3.0") nb = load_notebook(os.path.join(examples_dir, "%s.ipynb" % nb_file)) for cell in iter_cells(nb): assert cell.outputs == [], "Cell outputs not cleared" assert cell.execution_count is None, "Execution count not cleared"