Add missing

react-qa/src/App.js

@@ -9,7 +9,7 @@ function App() {
   const [context,set_context] = useState("My name is Clara and I live in Berkeley.")
 
   let request_qa_data = () => {
-    axios.post('http://127.0.0.1:7860/question-answer',{
+    axios.post('/question-answer',{
       question,
       context
     })