https://airflow.apache.org/docs/apache-airflow/stable/configurations-ref.html#store-dag-code

![Captura de pantalla 2021-05-26 a las 17 47 56](https://user-images.githubusercontent.com/11339132/119691160-a2049a00-be4a-11eb-8f55-0ad2c6117620.png)

The Default is True or None?
tests/core/test_configuration.py
test_config = '''[test]
key1 = value1
'''
        test_conf = AirflowConfigParser()
        test_conf.read_string(test_config)
        assert test_conf.has_option('test', 'key1')
        assert not test_conf.has_option('test', 'key_not_exists')
        assert not test_conf.has_option('section_not_exists', 'key1')
    def test_remove_option(self):
        test_config = '''[test]
key1 = hello
key2 = airflow
'''
        test_config_default = '''[test]
key1 = awesome
key2 = airflow
'''
        test_conf = AirflowConfigParser(default_config=parameterized_config(test_config_default))
        test_conf.read_string(test_config)
        assert 'hello' == test_conf.get('test', 'key1')
        test_conf.remove_option('test', 'key1', remove_default=False)
        assert 'awesome' == test_conf.get('test', 'key1')
        test_conf.remove_option('test', 'key2')
        assert not test_conf.has_option('test', 'key2')
    def test_getsection(self):