How to use the tellurium.plotting.engine.PlottingLayout function in tellurium

    def newStackedFigure(self, title=None, logX=False, logY=False, layout=PlottingLayout()):
        """ Returns a figure object."""
        return PlotlyStackedFigure(title=title, layout=layout)

def newFigure(cls, title=None, logX=False, logY=False, layout=None, xtitle=None, ytitle=None):
        """ Returns a figure object."""
        if layout is None:
            layout = PlottingLayout()

        fig = MatplotlibFigure(title=title, layout=layout, xtitle=xtitle, ytitle=ytitle, logx=logX, logy=logY)
        return fig

    def __init__(self, layout=PlottingLayout(), use_legend=True, xtitle=None, ytitle=None, title=None, 
                 linewidth=None, xlim=None, ylim=None, logx=None, logy=None, xscale=None, yscale=None, 
                 grid=None, ordinates=None, tag=None, labels=None, figsize=(9,6), savefig=None, dpi=None):
        super(MatplotlibFigure, self).__init__(title=title, layout=layout,
                                               xtitle=xtitle, ytitle=ytitle, logx=logx, logy=logy)
        self.use_legend = use_legend
        self.linewidth = linewidth
        self.xscale = xscale
        self.yscale = yscale
        self.grid = grid
        self.ordinates = ordinates
        self.tag = tag
        self.labels = labels
        self.figsize = figsize
        self.savefig = savefig
        self.dpi = dpi

    def __init__(self, title=None, layout=PlottingLayout(), logx=False, logy=False, save_to_pdf=False, xtitle=None, ytitle=None):
        super(PlotlyFigure, self).__init__(title=title, layout=layout, logx=logx, xtitle=xtitle, logy=logy, ytitle=ytitle)

    def newFigure(self, title=None, logX=False, logY=False, layout=PlottingLayout(), xtitle=None, ytitle=None):
        """ Returns a figure object."""
        return PlotlyFigure(title=title, layout=layout, xtitle=xtitle, ytitle=ytitle)

    def __init__(self, title=None, layout=PlottingLayout(), logx=False, xtitle=None, logy=False, ytitle=None, selections=None):
        """ Initialize the figure.

        :param title: The title of the plot.
        :param layout: Plotting layout information.
        :param logx: Use log scale in x.
        :param logy: Use log scale in y.
        :param selections: Filter plotted traces based on passed name.
        """
        self.title = title
        self.xy_datasets = []
        self.tagged_data = defaultdict(list)
        self.xtitle = xtitle
        self.ytitle = ytitle
        self.logx = logx
        self.logy = logy
        self.selections=selections