render expander through markdown element

app.py

@@ -144,15 +144,23 @@ def retriever(query: str, selected_retriever: str):
 
     corpus = '\n\n'.join(topk_documents)
 
+    if "last_expander_id" not in st.session_state:
+        st.session_state.last_expander_id = 0
+
+    # Function to create a unique key for each expander
+    def get_expander_key():
+        st.session_state.last_expander_id += 1
+        return f"expander_{st.session_state.last_expander_id}"
+
     for idx, document in enumerate(topk_documents):
         try:
             idx = document.lower().index("abstract:")
             title = document[:idx].replace('\n', ' ')
             doc_details = document[idx:]
             with st.expander(f"Rank {ix+1} - {title}"):
-                st.write(f"doc_details")
+                st.markdown(f"{doc_details}")
         except:
-            pass
+            print("Document parsing error for title and other contents")
 
     # retrieved_document_titles = ""
     # for document in topk_documents: