def write(self, data):
        self.put(data)
De-pivots `_data` from a 'wide' to 'tall' layout.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/vmwareapi/io_util.py/ThreadSafePipe.write--crossover with--dataset/ETHPy150Open bokeh/bokeh/bokeh/charts/data_source.py/ChartDataSource.stack_measures