Seems the month format was changed recently.
12:15:02 ====================================================================== 12:15:02 FAIL: test_archivebot_zh_yue (tests.archivebot_tests.TestArchiveBot) (content='5|William915]]（[[User Talk:William915|傾偈]]） 2009年5月27號 (三) 06:25 (UTC)\n\n', thread='Xqt，歡迎加入[[粵語維基百科]]！') 12:15:02 Test archivebot for one site on wikipedia:zh-yue 12:15:02 ---------------------------------------------------------------------- 12:15:02 Traceback (most recent call last): 12:15:02 File "/src/tests/archivebot_tests.py", line 144, in test_archivebot 12:15:02 self.assertIsInstance(thread.timestamp, datetime) 12:15:02 AssertionError: None is not an instance of <class 'datetime.datetime'> 12:15:02 12:15:02 ====================================================================== 12:15:02 FAIL: test_archivebot_zh_yue (tests.archivebot_tests.TestArchiveBot) (content='lk:Hillgentleman|書]]|[[2011年|二零一一年]][[五月二十七號]]（星期五）[[格林威治]] 05點16分03秒。>\n', thread='[[user:xqbot]]') 12:15:02 Test archivebot for one site on wikipedia:zh-yue 12:15:02 ---------------------------------------------------------------------- 12:15:02 Traceback (most recent call last): 12:15:02 File "/src/tests/archivebot_tests.py", line 144, in test_archivebot 12:15:02 self.assertIsInstance(thread.timestamp, datetime) 12:15:02 AssertionError: None is not an instance of <class 'datetime.datetime'> 12:15:02 12:15:02 ----------------------------------------------------------------------