How to use the napari.utils.theme.template function in napari

def _update_palette(self, palette):
        # template and apply the primary stylesheet
        themed_stylesheet = template(self.raw_stylesheet, **palette)
        self.console.style_sheet = themed_stylesheet
        self.console.syntax_style = palette['syntax_style']
        bracket_color = QtGui.QColor(*str_to_rgb(palette['highlight']))
        self.console._bracket_matcher.format.setBackground(bracket_color)
        self.setStyleSheet(themed_stylesheet)
        self.aboutKeybindings.setStyleSheet(themed_stylesheet)
        self.canvas.bgcolor = palette['canvas']

def _update_palette(self, palette):
        # set window styles which don't use the primary stylesheet
        # FIXME: this is a problem with the stylesheet not using properties
        self._status_bar.setStyleSheet(
            template(
                'QStatusBar { background: {{ background }}; '
                'color: {{ text }}; }',
                **palette,
            )
        )
        self._qt_center.setStyleSheet(
            template('QWidget { background: {{ background }}; }', **palette)
        )
        self._qt_window.setStyleSheet(template(self.raw_stylesheet, **palette))

def _update_palette(self, palette):
        # set window styles which don't use the primary stylesheet
        # FIXME: this is a problem with the stylesheet not using properties
        self._status_bar.setStyleSheet(
            template(
                'QStatusBar { background: {{ background }}; '
                'color: {{ text }}; }',
                **palette,
            )
        )
        self._qt_center.setStyleSheet(
            template('QWidget { background: {{ background }}; }', **palette)
        )
        self._qt_window.setStyleSheet(template(self.raw_stylesheet, **palette))

def _update_palette(self, palette):
        # set window styles which don't use the primary stylesheet
        # FIXME: this is a problem with the stylesheet not using properties
        self._status_bar.setStyleSheet(
            template(
                'QStatusBar { background: {{ background }}; '
                'color: {{ text }}; }',
                **palette,
            )
        )
        self._qt_center.setStyleSheet(
            template('QWidget { background: {{ background }}; }', **palette)
        )
        self._qt_window.setStyleSheet(template(self.raw_stylesheet, **palette))