It can be deployed normally on AWS

![image](https://user-images.githubusercontent.com/38454210/78279329-f1528180-7549-11ea-8aec-ba9620a16609.png)

![image](https://user-images.githubusercontent.com/38454210/78279477-25c63d80-754a-11ea-92bc-313e7950424c.png)


try:
            result = parse_output_orig(output_logical_id, output_json, resources_map)
        except KeyError:
            result = Output()
            result.key = output_logical_id
            result.value = None
            result.description = output_json.get('Description')
        
        if not hasattr(result, 'export_name'):
            result.export_name = output_json.get('Export', {}).get('Name')
        return result
    parse_output_orig = parsing.parse_output
    parsing.parse_output = parse_output
    
    if '<ExportName>' not in responses.DESCRIBE_STACKS_TEMPLATE:
        find = '</OutputValue>'
        replace = """</OutputValue>
        {% if output.export_name %}
        <ExportName>{{ output.export_name }}</ExportName>
        {% endif %}
        """
        responses.DESCRIBE_STACKS_TEMPLATE = responses.DESCRIBE_STACKS_TEMPLATE.replace(find, replace)
    
    def make_cf_update_stack(cf_backend):