DoubleMA 的Backtest 执行后进行 analyze，出现KeyError: 'axes.titlepad is not a valid rc parameter.See rcParams.keys() for a list of valid parameters.'

[red7hj]

Begin: DataApi login 13618@tcp://data.tushare.org:8910 Already login as 13618, skip init_from_config process trades... get daily stats... calc strategy return... D:\python_Anaconda3\lib\site-packages\numpy\lib\function_base.py:3167: RuntimeWarning: invalid value encountered in true_divide c /= stddev[:, None] D:\python_Anaconda3\lib\site-packages\numpy\lib\function_base.py:3168: RuntimeWarning: invalid value encountered in true_divide c /= stddev[None, :] Traceback (most recent call last): File "D:\python_Anaconda3\lib\site-packages\matplotlib__init.py", line 880, in setitem__ cval = self.validatekey KeyError: 'axes.titlepad'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "D:/JAQS-master/example/eventdriven/DoubleMA.py", line 230, in analyze() File "D:/JAQS-master/example/eventdriven/DoubleMA.py", line 225, in analyze ta.do_analyze(result_dir=result_dir_path, selected_sec=[]) File "D:\python_Anaconda3\lib\site-packages\jaqs\trade\analyze\analyze.py", line 506, in do_analyze self.plot_pnl(result_dir) File "D:\python_Anaconda3\lib\site-packages\jaqs\trade\analyze\analyze.py", line 400, in plot_pnl mpl.rcParams.update(MPL_RCPARAMS) File "D:\python_Anaconda3\lib\site-packages\matplotlib__init__.py", line 914, in update self[k] = v File "D:\python_Anaconda3\lib\site-packages\matplotlib__init.py", line 886, in setitem__ Plot strategy PnL... See rcParams.keys() for a list of valid parameters.' % (key,)) KeyError: 'axes.titlepad is not a valid rc parameter.See rcParams.keys() for a list of valid parameters.'

Process finished with exit code 1

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执行过： pip install jaqs --upgrade ，各个jaqs依赖的python的包应该都是最新版。 python3.5.2 windows系统。

[deephbz]

谢谢你的反馈，这里代码是在设置axes.titlepad属性，以调整图片样式。我在matplotlib文档确认，当前稳定版本是有这个属性的，推荐您尝试pip install --upgrade matplotlib来升级后再尝试。另外，最新版Anaconda附带的matplotlib也是支持这个属性的