Fix app.py

app.py

@@ -43,7 +43,7 @@ if st.button('→'):
 
     for result in results:
         with st.expander(label=result.metadata['title'], expanded=False):
-            for k, v in result.metadata:
-                st.write(f"{k}: {v}")
+            for k in result.metadata:
+                st.write(f"{k}: {result.metadata[k]}")
             st.divider()
             st.markdown(result.page_content)