TypeError ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Traceback (most recent call last)<ipython-input-24-b78d43ed0331> in <module>() ? ? 22 #model.add(Dense(5,input_dim=4)) ? ? 23 sgd=SGD(lr=0.01,decay=1e-6,momentum=0.9,nesterov=True)---> 24 model.compile(optimizers=sgd,loss="categorical_crossentropy") ? ? 25 model.fit(train_data,labels_train,nb_epoch=200,batch_size=40) ? ? 26 print(model.predict_classes(test_data))

TypeError: compile() missing 1 required positional argument: 'optimizer'