def complete_command(self, worksheet_uuid, command):
        cli, output_buffer = self._create_cli(worksheet_uuid)

        command = command.lstrip()
        if not command.startswith('cl'):
            command = 'cl ' + command

        return cli.complete_command(command)
Given a command string, return a list of suggestions to complete the last token.
dataset/ETHPy150Open codalab/codalab-cli/codalab/rest/legacy.py/BundleService.complete_command