RuntimeError

[haliluyaya]

（1）os：win10
python：3.8.3
backtrader：1.9.76.123
backtrader-plotting：1.1.0

（2）I wrote a bt strategy, it runs perfectly. But when I want to plot with:
b = Bokeh(style='bar',plot_mode='single',tabs='multi',scheme=Tradimo())
cerebro.plot(b)

（3）it feedback a RuntimeError:
_Traceback (most recent call last):

File "D:\6mylove\5重写回测框架\Turtle.py", line 329, in
cerebro.plot(b)

File "D:\SoftWare\anaconda\lib\site-packages\backtrader\cerebro.py", line 989, in plot
rfig = plotter.plot(strat, figid=si * 100,

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\bokeh.py", line 509, in plot
self._blueprint_strategy(obj, start, end, tradingdomain, **kwargs)

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\bokeh.py", line 244, in _blueprint_strategy
figure.plot(master, None)

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\figureenvelope.py", line 301, in plot
self.plot_indicator(obj, master)

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\figureenvelope.py", line 459, in plot_indicator
self._plot_indicator_observer(obj, master)

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\figureenvelope.py", line 462, in _plot_indicator_observer
pl = plotobj2label(obj)

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\label_resolver.py", line 49, in plotobj2label
return f'{indicator2label(obj)}@{indicator2fullid(obj)}'

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\label_resolver.py", line 79, in indicator2fullid
return datatarget2label([x._owner]) + '[L]'

File "D:\SoftWare\anaconda\lib\site-packages\backtrader_plotting\bokeh\label_resolver.py", line 32, in datatarget2label
raise RuntimeError(f'Unexpected data type: {d.class}')

RuntimeError: Unexpected data type: <class 'main.TurtleStrategy'>_