code: def clear_imgs(self) -> None:
          "Clear the widget's images preview pane."
          self._preview_header.value = self._heading
          self._img_pane.children = tuple(f clear_imgs(self) -> None:
          "Clear the widget's images preview pane."
          self._preview_header.value = self._heading
          self._img_pane.children = tuple()
docs: Clear the widget's images preview pane.