Create Matplotlib figure and axes

def _create_figure(self):
        """
        Create Matplotlib figure and axes
        """
        # Good for development
        if get_option('close_all_figures'):
            plt.close('all')

        figure = plt.figure()
        axs = self.facet.make_axes(
            figure,
            self.layout.layout,
            self.coordinates)

        # Dictionary to collect matplotlib objects that will
        # be targeted for theming by the themeables
        figure._themeable = {}

        self.figure = figure
        self.axs = axs
        return figure, axs