Update app.py

app.py

@@ -108,24 +108,24 @@ message.write("Good to see you. Please tell me your latest career")
 
  
 user_input = st.chat_input("Enter your Response")
+
+if "chat_history" not in st.session_state:
+    st.session_state["chat_history"] = []
     
 if st.button("Send"):
     if user_input:
         # Execute LangChain logic
-        outputs = execute_langchain(user_input)
-        
-        # Update conversation history
-        conversation_history.append(("You", user_input))
-        for key, value in outputs:
-            if key == "Output from node 'info':":
-                conversation_history.append(("Bot", value))
-                message.write(value)
-            elif key == "Output from node 'profile':":
-                conversation_history.append(("Bot", value))
-                message.write(value)
-
+        outputs = execute_langchain(user_input)         
+        # Update chat history
+        st.session_state["chat_history"].append({"message": user_input, "role": "user"})
+        st.session_state["chat_history"].append({"message": outputs, "role": "bot"})
+
+# Display chat history
+for message in st.session_state["chat_history"]:
+    st.chat_message(message["message"], key=message["message"])
+    
 # Allow the user to quit the chat
 if st.button("Quit"):
     st.text("Bot: Byebye")
-    break
+