Update app.py

app.py

@@ -23,16 +23,19 @@ def generate_response(user_input, context_embedding):
     combined_input = f"Question: {user_input}\nContext: {context_str}\nAnswer:"
     
     # Generate a response using GPT-4
-    response = openai.Completion.create(
-        engine="gpt-4-turbo",  # Use GPT-4 engine if available, otherwise use text-davinci-003
-        prompt=combined_input,
+    response = openai.ChatCompletion.create(
+        model="gpt-4",  # Use GPT-4 model
+        messages=[
+            {"role": "system", "content": "You are a helpful assistant."},
+            {"role": "user", "content": combined_input}
+        ],
         max_tokens=150,
         temperature=0.5,
         top_p=0.9,
         frequency_penalty=0.5,
         presence_penalty=0.0
     )
-    return response.choices[0].text.strip()
+    return response.choices[0].message['content'].strip()
 
 def chatbot(user_input, context=""):
     context_embedding = encode_text(context) if context else ""
@@ -56,3 +59,4 @@ iface.launch()
 
 
 
+