def run(self, command_line=''):
        assert command_line, 'expected non-empty command line'

        groups = self.window.num_groups()
        if groups == 1:
            sublime.status_message("Vintageous: Can't delete more groups.")
            return

        # If we don't do this, cloned views will be moved to the previous group and kept around.
        # We want to close them instead.
        self.window.run_command('close')
        self.window.run_command('set_layout', ExVsplit.LAYOUT_DATA[groups - 1])
dataset/ETHPy150Open guillermooo/Vintageous/ex_commands.py/ExUnvsplit.run/original