btrun plot style name "candle" unknown.

[TigerAndy]

(BackTrader) PS D:\AndyGoogleDrive\Python\BackTrader> btrun --csvformat btcsv --data datas/2006-day-001.txt --nostdstats --observer :Broker --indicator :Stochastic:period_dslow=5 --plot style="candle"
Traceback (most recent call last):
File "c:\users\andyh.conda\envs\backtrader\lib\runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "c:\users\andyh.conda\envs\backtrader\lib\runpy.py", line 87, in run_code
exec(code, run_globals)
File "C:\Users\andyh.conda\envs\BackTrader\Scripts\btrun.exe_main.py", line 7, in <module>
File "c:\users\andyh.conda\envs\backtrader\lib\site-packages\backtrader\btrun\btrun.py", line 164, in btrun
ekwargs = eval('dict(' + args.plot + ')')
File "<string>", line 1, in <module>
NameError: name 'candle' is not defined

Why is the name candle undefined?
It also doesn't work for style line and bar.