vs

app.py

@@ -105,8 +105,8 @@ if submit_button:
     if question:  # Check if there is a question typed
         # Process the question here (a placeholder answer is used in this example)
 
-        Awnser = rag_chain.invoke(question)
-        contexts = retriever.get_relevant_documents(question)
+       # Awnser = rag_chain.invoke(question)
+       # contexts = retriever.get_relevant_documents(question)
          
         answer_placeholder.text(Awnser)  # Display the answer
     else:

start.py

@@ -1,3 +1,5 @@
+st.session_state.em = "0"
+
 try: 
     global rag_chain, retriever, em
     import requests
@@ -100,4 +102,6 @@ try:
 
         em = "aaa"
 except Exception as e:
-    em = "bbb" + str(e)
+    em = "bbb  " + str(e)
+
+st.session_state.em = em