in week 1 assignment , the keras in not define in # grader-required-cell and i am getting this error NameError Traceback (most recent call last)
in
2
3 # Get your trained model
----> 4 model = house_model()
in house_model()
11
12 # Define your model (should be a model with 1 dense layer and 1 unit)
—> 13 model = tf.keras.Sequential([keras.layers.Dense(units=1, input_shape=[1])])
14
15 # Compile your model
NameError: name ‘keras’ is not defined
what should i do ?