Update app.py

app.py

@@ -61,8 +61,8 @@ def main():
         docs = VectorStore.similarity_search(query=query, k=3)
 
         llm = AzureOpenAI(
-            engine="SBUXOpenAI",
-            model_name="SBUXOpenAI", 
+            engine="text-davinci-003",
+            model_name="text-davinci-003", 
         )
         chain = load_qa_chain(llm=llm, chain_type="stuff")
         with get_openai_callback() as cb: