过去几周我一直在使用 yfinance 来提取一些股票的历史数据。我通常在每周结束时运行该程序以存储该周的数据,但是这个问题错误只是在上周随机开始发生。下面是调用 MMM 历史价格数据的简单示例。但是,期权合约方法也会发生同样的错误。
import yfinance as yf
mmm = yf.Ticker('MMM')
mmm.history()
错误堆栈:JSONDecodeError Traceback (most recent call last)
<ipython-input-6-68e978705cca> in <module>
1 mmm = yf.Ticker('MMM')
----> 2 mmm.history()
~/opt/anaconda3/lib/python3.8/site-packages/yfinance/base.py in history(self, period, interval, start, end, prepost, actions, auto_adjust, back_adjust, proxy, rounding, tz, **kwargs)
155 "Our engineers are working quickly to resolve "
156 "the issue. Thank you for your patience.")
--> 157 data = data.json()
158
159 # Work with errors
~/opt/anaconda3/lib/python3.8/site-packages/requests/models.py in json(self, **kwargs)
896 # used.
897 pass
--> 898 return complexjson.loads(self.text, **kwargs)
899
900 @property
~/opt/anaconda3/lib/python3.8/json/__init__.py in loads(s, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)
355 parse_int is None and parse_float is None and
356 parse_constant is None and object_pairs_hook is None and not kw):
--> 357 return _default_decoder.decode(s)
358 if cls is None:
359 cls = JSONDecoder
~/opt/anaconda3/lib/python3.8/json/decoder.py in decode(self, s, _w)
335
336 """
--> 337 obj, end = self.raw_decode(s, idx=_w(s, 0).end())
338 end = _w(s, end).end()
339 if end != len(s):
~/opt/anaconda3/lib/python3.8/json/decoder.py in raw_decode(self, s, idx)
353 obj, end = self.scan_once(s, idx)
354 except StopIteration as err:
--> 355 raise JSONDecodeError("Expecting value", s, err.value) from None
356 return obj, end
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
最佳答案
我是 Stack Overflow 的新手,所以我无法投票,但我遇到了类似的问题。看到答案@Barmar 离开后,我去了yfinance github并且作者推荐使用 pip install yfinance --upgrade --no-cache-dir
解决任何当前的问题。为我工作,我希望它对你有用,因为我们似乎有类似的问题:]
关于python - yFinance 的 JSON 解码错误 [JSONDecodeError : Expecting value: line 1 column 1 (char 0)],我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/68331065/