Update app.py

app.py

@@ -111,7 +111,7 @@ class KeyValueExtractor:
 
       # Load the summarization chain using the ChatOpenAI language model
       chain = load_summarize_chain(
-          llm = AzureChatOpenAI(azure_deployment = "GPT-3"),
+          llm = AzureChatOpenAI(azure_deployment = "GPT-4o"),
           chain_type="refine",
           question_prompt=prompt,
           refine_prompt=refine_prompt,