@cached_property<EOL><INDENT>def command_str(self):<DEDENT>
if isinstance(self.command, six.string_types):<EOL><INDENT>return self.command<EOL><DEDENT>return '<STR_LIT:U+0020>'.join(map(six.moves.shlex_quote, self.command))<EOL>
get command to execute as string properly escaped

        :return: string