unable to Parse keywords and error messages.

从 dbbot/reader/robot_results_parser.py 中的 _parse_keyword 以及 traceback 所示的递归 _parse_keywords 调用开始。检查 For 对象与消息相比是如何公开 keyword 数据的，然后重新运行产生该错误的 XML-to-database 路径。当 keyword 解析能够到达嵌套 keyword 而不引发 AttributeError，并保留相关错误消息时，即表示完成。

Traceback (most recent call last):
File "C:\Users\Arjun.Choyikkandy\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 197, in _run_module_as_main
return _run_code(code, main_globals, None,
File "C:\Users\Arjun.Choyikkandy\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 87, in _run_code
exec(code, run_globals)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\run.py", line 53, in
DbBot().run()
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\run.py", line 44, in run
self._parser.xml_to_db(xml_file, self._options.build_number, self._options.branch_repo)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 56, in xml_to_db
self._parse_suite(test_run.suite, test_run_id, suite_metadata)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 127, in _parse_suite
self._parse_suites(suite, test_run_id, suite_metadata, suite_id)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 147, in _parse_suites
[self._parse_suite(subsuite, test_run_id, suite_metadata, parent_suite_id) for subsuite in suite.suites]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 147, in
[self._parse_suite(subsuite, test_run_id, suite_metadata, parent_suite_id) for subsuite in suite.suites]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 132, in _parse_suite
self._parse_keywords(suite.keywords, test_run_id, suite_id, None)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in _parse_keywords
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 219, in _parse_keyword
self._parse_keywords(keyword.keywords, test_run_id, None, None, keyword_id)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in _parse_keywords
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 219, in _parse_keyword
self._parse_keywords(keyword.keywords, test_run_id, None, None, keyword_id)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in _parse_keywords
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 219, in _parse_keyword
self._parse_keywords(keyword.keywords, test_run_id, None, None, keyword_id)
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in _parse_keywords
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 190, in
[self._parse_keyword(keyword, test_run_id, suite_id, test_id, keyword_id) for keyword in keywords]
File "D:\sunday\d\DbBot-SQLAlchemy\dbbot\reader\robot_results_parser.py", line 215, in _parse_keyword
self._parse_messages(keyword.messages, keyword_id)
AttributeError: 'For' object has no attribute 'messages'