def get_column_count(self):

        # for the composite grid model, this is simply the sum of the
        # column counts for the underlying models
        count = 0
        for model in self.data:
            count += model.get_column_count()

        return count
Plot evoked data using butteryfly plots
dataset/ETHPy150Open enthought/pyface/pyface/ui/wx/grid/composite_grid_model.py/CompositeGridModel.get_column_count--crossover with--dataset/ETHPy150Open mne-tools/mne-python/mne/viz/evoked.py/plot_evoked