Traceback (most recent call last)AttributeError: ‘NumpyArrayIterator‘ object has no attribute ‘ndim‘

成功解决该问题！
Traceback (most recent call last):
File “C:/Users/…/Desktop/pythonProject2/main.py”, line 149, in
validation_data=datagen.flow(x_val, y_val), callbacks=[learning_rate_reduction])
File “C:\Users…\Desktop\pythonProject2\venv\lib\site-packages\keras\models.py”, line 963, in fit
validation_steps=validation_steps)
File “C:\Users…\Desktop\pythonProject2\venv\lib\site-packages\keras\engine\training.py”, line 1630, in fit
batch_size=batch_size)
File “C:\Users…\Desktop\pythonProject2\venv\lib\site-packages\keras\engine\training.py”, line 1476, in _standardize_user_data
exception_prefix=‘input’)
File “C:\Users…\Desktop\pythonProject2\venv\lib\site-packages\keras\engine\training.py”, line 76, in _standardize_input_data
data = [np.expand_dims(x, 1) if x is not None and x.ndim == 1 else x for x in data]
File “C:\Users…\Desktop\pythonProject2\venv\lib\site-packages\keras\engine