cv2.error: OpenCV(4.5.5) :-1: error: (-5:Bad argument) in function ‘knnMatch‘

cv2.error: OpenCV(4.5.5) :-1: error: (-5:Bad argument) in function 'knnMatch'
> Overload resolution failed:
>  - queryDescriptors is not a numpy array, neither a scalar
>  - Expected Ptr for argument 'queryDescriptors'
>  - argument for DescriptorMatcher.knnMatch() given by name ('k') and position (2)
>  - argument for DescriptorMatcher.knnMatch() given by name ('k') and position (2)
 

方案1：修改版本

cv2.error: OpenCV(4.5.3) :-1: error: (-5:Bad argument) in function “pointPolygonTest“报错_m0_47145407的博客-CSDN博客

不知道该方法是否有用，以防万一最后再试

 待解决