Imag segmentation

Help me with this error


NameError Traceback (most recent call last)
in
2 n_filters = 32
3 inputs = Input(input_size)
----> 4 cblock1 = conv_block(inputs, n_filters * 1)
5 model1 = tf.keras.Model(inputs=inputs, outputs=cblock1)
6

in conv_block(inputs, n_filters, dropout_prob, max_pooling)
37 if max_pooling:
38 ### START CODE HERE
—> 39 next_layer = MaxPool2D(pool_size=(2, 2))
40 ### END CODE HERE
41

NameError: name ‘MaxPool2D’ is not defined

Read the instructions again.
The function is not called “MaxPool2D”.