How to use the pydomo.streams.UpdateMethod function in pydomo

.format(stream['id'], stream['dataSet']['id']))

        # Get a Stream's metadata
        retrieved_stream = streams.get(stream['id'])
        domo.logger.info("Retrieved Stream {} containing DataSet {}".format(
            retrieved_stream['id'], retrieved_stream['dataSet']['id']))

        # List Streams
        limit = 1000
        offset = 0
        stream_list = streams.list(limit, offset)
        domo.logger.info("Retrieved a list containing {} Stream(s)".format(
            len(stream_list)))

        # Update a Stream's metadata
        stream_update = CreateStreamRequest(dsr, UpdateMethod.REPLACE)
        updated_stream = streams.update(retrieved_stream['id'], stream_update)
        domo.logger.info("Updated Stream {} to update method: {}".format(
            updated_stream['id'], updated_stream['updateMethod']))

        # Search for Streams
        stream_property = 'dataSource.name:' + dsr.name
        searched_streams = streams.search(stream_property)
        domo.logger.info("Stream search: there are {} Stream(s) with the DataSet "
                         "title: {}".format(len(searched_streams), dsr.name))

        # Create an Execution (Begin an upload process)
        execution = streams.create_execution(stream['id'])
        domo.logger.info("Created Execution {} for Stream {}".format(
            execution['id'], stream['id']))

        # Get an Execution

chunks, in parallel. They are also useful with data sources that
        are constantly changing/growing.
        Streams Docs: https://developer.domo.com/docs/data-apis/data
        '''
        domo.logger.info("\n**** Domo API - Stream Examples ****\n")
        streams = domo.streams

        # Define a DataSet Schema to populate the Stream Request
        dsr = DataSetRequest()
        dsr.name = 'Leonhard Euler Party'
        dsr.description = 'Mathematician Guest List'
        dsr.schema = Schema([Column(ColumnType.STRING, 'Friend'),
                             Column(ColumnType.STRING, 'Attending')])

        # Build a Stream Request
        stream_request = CreateStreamRequest(dsr, UpdateMethod.APPEND)

        # Create a Stream w/DataSet
        stream = streams.create(stream_request)
        domo.logger.info("Created Stream {} containing the new DataSet {}"
                         .format(stream['id'], stream['dataSet']['id']))

        # Get a Stream's metadata
        retrieved_stream = streams.get(stream['id'])
        domo.logger.info("Retrieved Stream {} containing DataSet {}".format(
            retrieved_stream['id'], retrieved_stream['dataSet']['id']))

        # List Streams
        limit = 1000
        offset = 0
        stream_list = streams.list(limit, offset)
        domo.logger.info("Retrieved a list containing {} Stream(s)".format(