def on_cleanup_error(function, path, excinfo):
                click.secho("warning: failed to remove file or directory: {}\n"
                            "please delete it manually.".format(path),
                            fg="red")
def on_btn_del_row_clicked(self):
        min_row, max_row, _, _ = self.ui.tblFuzzingValues.selection_range()
        self.delete_lines(min_row, max_row)