FinRL_China_A_Share_Market.ipynb中运行plotter.plot()报错

AttributeError Traceback (most recent call last)
Input In [23], in ()
1 get_ipython().run_line_magic('matplotlib', 'inline')
----> 2 plotter.plot()

File ~/autodl-tmp/FinRL-Meta/meta/data_processors/tushare.py:220, in ReturnPlotter.plot(self, baseline_ticket)
216 days_per_tick = (
217 60 # you should scale this variable accroding to the total trading days
218 )
219 time = list(range(len(ours)))
--> 220 datetimes = self.df_account_value.time.tolist()
221 ticks = [tick for t, tick in zip(time, datetimes) if t % days_per_tick == 0]
222 plt.title("Cumulative Returns")

File ~/miniconda3/lib/python3.8/site-packages/pandas/core/generic.py:5902, in NDFrame.__getattr__(self, name)
5895 if (
5896 name not in self._internal_names_set
5897 and name not in self._metadata
5898 and name not in self._accessors
5899 and self._info_axis._can_hold_identifiers_and_holds_name(name)
5900 ):
5901 return self[name]
-> 5902 return object.__getattribute__(self, name)

AttributeError: 'DataFrame' object has no attribute 'time'