Update app.py

app.py

@@ -15,7 +15,7 @@ def construct_index():
     max_chunk_overlap = 20
     chunk_size_limit = 600
     prompt_helper = PromptHelper(max_input_size, num_outputs, max_chunk_overlap, chunk_size_limit=chunk_size_limit)
-    llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0.7, model_name="gpt-3.5-turbo", max_tokens=num_outputs))
+    llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0.7, model_name="gpt-3.5-turbo-0613", max_tokens=num_outputs))
     index = GPTSimpleVectorIndex.load_from_disk('index.json', llm_predictor=llm_predictor, prompt_helper=prompt_helper)
 
     return index