def setUp(self): super(JSONSerializerTestCase, self).setUp() self.serializer = JSONSerializer() self.dict_data = { 'hello': 'world', 'abc': 123, 'more': { 'things': 'here', # Some data the usual JSON encoder can't handle... 'nested': datetime.datetime(2014, 3, 30, 12, 55, 15), 'again': Decimal('18.9'), }, }