Using problem

[shawncaoo]

When i use the "example.py" ,pycharm say "AttributeError: CWT_learner instance has no attribute 'train'".
I want to know how to solve it. Thanks.
Traceback (most recent call last): File "D:/Desktop/Python/SignalRecognition-master/example.py", line 27, in <module> cwt_learn.train() AttributeError: CWT_learner instance has no attribute 'train'