x_train = np.array(x_train)
x_test = np.array(x_test)
#normalize inputs between[0,1]
x_train/=255
x_test/=255
上式会报错
改成下式就好了
x_train = np.array(x_train,'float32')
x_test = np.array(x_test,'float32')
#normalize inputs between[0,1]
x_train/=255
x_test/=255
