def test_json_output_handles_decimals_in_lists(self): f = Form() f.line1 = [["First Bank", Decimal('1.23')], ["Second Bank", Decimal('4.56')]] assert dump_json(f) == dedent(u'''\ { "inputs": { "line1": [ [ "First Bank", "1.23" ], [ "Second Bank", "4.56" ] ] }, "outputs": {} } ''')