improve retrieved document parsing

app.py

@@ -159,7 +159,9 @@ def retriever(query: str, selected_retriever: str):
     with st.chat_message("assistant"):
         placeholder = st.empty()
         text = ""
-        
+
+        print(display_retrieved_documents)
+
         for chunk in display_retrieved_documents.split():
             if chunk == "|||":
                 text += chunk + "\n"