错误：
File "D:\Anaconda3\envs\actionRecognition1\lib\site-packages\keras_preprocessing\image\utils.py", line 309, in img_to_array
x = np.asarray(img, dtype=dtype)
File "D:\Anaconda3\envs\actionRecognition1\lib\site-packages\numpy\core\_asarray.py", line 83, in asarray
return array(a, dtype, copy=False, order=order)
TypeError: __array__() takes 1 positional argument but 2 were given
解决：
修改keras_preprocessing\image\utils.py
