How to use the hyperspy.drawing.signal1d.Signal1DLine function in hyperspy

def create_background_line(self):
        self.bg_line = drawing.signal1d.Signal1DLine()
        self.bg_line.data_function = self.bg_to_plot
        self.bg_line.set_line_properties(
            color='blue',
            type='line',
            scaley=False)
        self.signal._plot.signal_plot.add_line(self.bg_line)
        self.bg_line.autoscale = False
        self.bg_line.plot()

def plot(self):
        if self.signal._plot is None or not self.signal._plot.is_active:
            self.signal.plot()
        hse = self.signal._plot
        l1 = hse.signal_plot.ax_lines[0]
        self.original_color = l1.line.get_color()
        l1.set_line_properties(color=self.original_color,
                               type='scatter')
        l2 = drawing.signal1d.Signal1DLine()
        l2.data_function = self.model2plot

        l2.set_line_properties(
            color=self.line_color_rgb,
            type='line')
        # Add the line to the figure
        hse.signal_plot.add_line(l2)
        l2.plot()
        self.data_line = l1
        self.smooth_line = l2
        self.smooth_diff_line = None

def create_interpolation_line(self):
        self.interpolated_line = drawing.signal1d.Signal1DLine()
        self.interpolated_line.data_function = self.get_interpolated_spectrum
        self.interpolated_line.set_line_properties(
            color='blue',
            type='line')
        self.signal._plot.signal_plot.add_line(self.interpolated_line)
        self.interpolated_line.autoscale = False
        self.interpolated_line.plot()

def create_remainder_line(self):
        self.rm_line = drawing.signal1d.Signal1DLine()
        self.rm_line.data_function = self.rm_to_plot
        self.rm_line.set_line_properties(
            color='green',
            type='line',
            scaley=False)
        self.signal._plot.signal_plot.add_line(self.rm_line)
        self.rm_line.autoscale = False
        self.rm_line.plot()

def create_interpolation_line(self):
        self.interpolated_line = drawing.signal1d.Signal1DLine()
        self.interpolated_line.data_function = self.get_interpolated_spectrum
        self.interpolated_line.set_line_properties(
            color='blue',
            type='line')
        self.signal._plot.signal_plot.add_line(self.interpolated_line)
        self.interpolated_line.auto_update = False
        self.interpolated_line.autoscale = False
        self.interpolated_line.plot()

def create_background_line(self):
        self.bg_line = drawing.signal1d.Signal1DLine()
        self.bg_line.data_function = self.bg_to_plot
        self.bg_line.set_line_properties(
            color='blue',
            type='line',
            scaley=False)
        self.signal._plot.signal_plot.add_line(self.bg_line)
        self.bg_line.autoscale = False
        self.bg_line.plot()

def _plot_component(self, component):
        line = hyperspy.drawing.signal1d.Signal1DLine()
        line.data_function = component._component2plot
        # Add the line to the figure
        self._plot.signal_plot.add_line(line)
        line.plot()
        component._model_plot_line = line
        self._connect_component_line(component)