Update app.py

app.py

@@ -65,6 +65,8 @@ model.add(Dense(24, activation='relu'))
 #model.add(Dense(50, activation='relu'))
 model.add(Dense(24, activation='softmax'))
 
+model.compile(loss='categorical_crossentropy', optimizer='adam', metrics=['accuracy'])
+
 model.fit(X_train, y_train, epochs=20, batch_size=128)
 score = model.evaluate(X_test, y_test, batch_size=128)
 model.summary()