readme里面的sample报错。

[nyg2017]

strategy.run_backtest() File "/opt/conda/lib/python3.8/site-packages/QAStrategy/qactabase.py", line 192, in run_backtest risk = QA_Risk(self.acc) File "/opt/conda/lib/python3.8/site-packages/QUANTAXIS/QAARP/QARisk.py", line 184, in __init__ self._assets = self.account.daily_cash.set_index( File "/opt/conda/lib/python3.8/site-packages/QUANTAXIS/QAARP/QAAccountPro.py", line 636, in daily_cash index=pd.to_datetime(self.trade_range_max).set_names('date'), File "/opt/conda/lib/python3.8/site-packages/QUANTAXIS/QAARP/QAAccountPro.py", line 439, in trade_range_max if self.start_date < str(min(self.time_index_max))[0:10]: ValueError: min() arg is an empty sequence
错误如图，个人分析是什么前置工作没有做好么？还是需要什么特殊配置？求大佬指路。
之前安装好了quantaxis的docker-future。找了一圈实在不知道原因。