在喀拉拉邦训练期间出现小块阵列错误

Question

我知道了

ValueError: ('Input data in `NumpyArrayIterator` should have rank 4. You passed an array with shape', (35412, 0)) 

在运行以下程序时？

history = model.fit_generator(
    aug.flow(x_train, y_train, batch_size=BS),
    validation_data=(x_test, y_test),
    steps_per_epoch=len(x_train) // BS,
    epochs=EPOCHS, verbose=1
)

可能是什么原因造成的？