AttributeError: unknown attribute: "weeks"

[CreditTone]

ex.extract_time("下周三")
Traceback (most recent call last):
File "", line 1, in
File "/anaconda3/lib/python3.7/site-packages/cocoNLP/extractor.py", line 240, in extract_time
res = tn.parse(target=tmp_text) # target为待分析语句，timeBase为基准时间默认是当前时间
File "/anaconda3/lib/python3.7/site-packages/cocoNLP/config/basic/time_nlp/TimeNormalizer.py", line 97, in parse
self.timeToken = self.__timeEx()
File "/anaconda3/lib/python3.7/site-packages/cocoNLP/config/basic/time_nlp/TimeNormalizer.py", line 176, in __timeEx
res.append(TimeUnit(temp[i], self, contextTp))
File "/anaconda3/lib/python3.7/site-packages/cocoNLP/config/basic/time_nlp/TimeUnit.py", line 34, in init
self.time_normalization()
File "/anaconda3/lib/python3.7/site-packages/cocoNLP/config/basic/time_nlp/TimeUnit.py", line 53, in time_normalization
self.norm_setCurRelated()
File "/anaconda3/lib/python3.7/site-packages/cocoNLP/config/basic/time_nlp/TimeUnit.py", line 888, in norm_setCurRelated
cur = cur.replace(weeks=1, days=span)
File "/anaconda3/lib/python3.7/site-packages/arrow/arrow.py", line 603, in replace
raise AttributeError('unknown attribute: "{}"'.format(key))
AttributeError: unknown attribute: "weeks"

[Beants]

相同问题，请问解决了吗