docs: def refresh(self):
          """
          Updates the current line decoration
          """
          if self.enabled and self.line:
              self._clear_deco()
              brush = QtGui.QBrush(self._color)
              self._decoration = TextDecoration(
                  self.editor.textCursor(), start_line=self.line)
              self._decoration.set_background(brush)
              self._decoration.set_full_width()
              self._decoration.draw_order = 255
              self.editor.decorations.append(self._decoration)