Update app.py

app.py

@@ -13,16 +13,14 @@ image = Image.open('logo.png')
 st.image(image)
 
 if "openai_model" not in st.session_state:
-    st.session_state["openai_model"] = "gpt-4o"
+    st.session_state["openai_model"] = "gpt-4o-mini"
 
 if "messages" not in st.session_state:
     st.session_state.messages = []    
-    st.session_state.messages.append({"role": "system", "content": grounding})
 
 for message in st.session_state.messages:
-    if message["role"] != "system":
-        with st.chat_message(message["role"]):
-            st.markdown(message["content"])
+    with st.chat_message(message["role"]):
+        st.markdown(message["content"])
 
 if prompt := st.chat_input("How can I help you today?"):    
     st.session_state.messages.append({"role": "user", "content": prompt})
@@ -32,15 +30,16 @@ if prompt := st.chat_input("How can I help you today?"):
     with st.chat_message("assistant"):
         message_placeholder = st.empty()
         full_response = ""
-        for response in openai.ChatCompletion.create(
+        for response in openai.responses.create(
             model=st.session_state["openai_model"],
-            messages=[
+            instructions = grounding,
+            input=[
                 {"role": m["role"], "content": m["content"]}
                 for m in st.session_state.messages
             ],
             stream=True,
         ):
-            full_response += response.choices[0].delta.get("content", "").replace('\\$','$').replace('$','\\$')
+            full_response += response.output_text.replace('\\$','$').replace('$','\\$')
             message_placeholder.markdown(full_response + "▌")
         message_placeholder.markdown(full_response)
         print(full_response)