Traceback (most recent call last):
    File "C:\Users\gutolinPC\Desktop\tensorflow.py", line 3, in <module>
    from keras.datasets import mnist
    File "C:\Program Files\Python37\lib\site-packages\keras\__init__.py", line 3,in <module>
    from . import utils
    File "C:\Program Files\Python37\lib\site-packages\keras\utils\__init__.py", 
    line 6, in <module>
    from . import conv_utils
    File "C:\Program Files\Python37\lib\site-packages\keras\utils\conv_utils.py", 
    line 9, in <module>
    from .. import backend as K
    File "C:\Program Files\Python37\lib\site-packages\keras\backend\__init__.py", 
    line 89, in <module>
    from .tensorflow_backend import *
    File "C:\Program Files\Python37\lib\site- 
    packages\keras\backend\tensorflow_backend.py", line 5, in <module>
    import tensorflow as tf
    File "C:\Users\gutolinPC\Desktop\tensorflow.py", line 3, in <module>
    from keras.datasets import mnist
    File "C:\Program Files\Python37\lib\site- 
    packages\keras\datasets\__init__.py", line 4, in <module>
    from . import imdb
    File "C:\Program Files\Python37\lib\site-packages\keras\datasets\imdb.py", 
    line 8, in <module>
    from ..preprocessing.sequence import _remove_long_seq
    File "C:\Program Files\Python37\lib\site- 
    packages\keras\preprocessing\__init__.py", line 12, in <module>
    from . import image
    File "C:\Program Files\Python37\lib\site- 
    packages\keras\preprocessing\image.py", line 11, in <module>
    from keras_preprocessing import image
    File "C:\Program Files\Python37\lib\site- 
    packages\keras_preprocessing\image\__init__.py", line 6, in <module>
    from .dataframe_iterator import DataFrameIterator
    File "C:\Program Files\Python37\lib\site- 
    packages\keras_preprocessing\image\dataframe_iterator.py", line 10, in <module>
    from .iterator import BatchFromFilesMixin, Iterator
     File "C:\Program Files\Python37\lib\site-packages\keras_preprocessing\image\iterator.py", line 13, in <module>
    IteratorType = get_keras_submodule('utils').Sequence
    AttributeError: module 'keras.utils' has no attribute 'Sequence'

Win 10
Python 3.7.0

Keras                2.2.4
Keras-Applications   1.0.7
Keras-Preprocessing  1.0.9
tensorboard          1.13.1
tensorflow           1.13.1
tensorflow-estimator 1.13.0

完整代码

import numpy

from keras.datasets import mnist
from keras.models import Sequential
from keras.layers import Dense
from keras.utils import np_utils

numpy.random.seed(42)

(X_train, y_train), (X_test, y_test) = mnist.load_data()

X_train = X_train.reshape(60000, 784)
X_test = X_test.reshape(10000, 784)

X_train = X_train.astype('float32')
X_test = X_test.astype('float32')
X_train /= 255
X_test /= 255

Y_train = np_utils.to_categorical(y_train, 10)
Y_test = np_utils.to_categorical(y_test, 10)

model = Sequential()

model.add(Dense(800, input_dim=784, activation="relu",         
kernel_initializer="normal"))
model.add(Dense(10, activation="softmax", kernel_initializer="normal"))

model.compile(loss="categorical_crossentropy", optimizer="SGD", metrics=["accuracy"])

print(model.summary())

model.fit(X_train, Y_train, batch_size=200, epochs=25, validation_split=0.2, verbose=2)

scores = model.evaluate(X_test, Y_test, verbose=0)
print("Точность работы на тестовых данных: %.2f%%" % (scores[1]*100))