Update app.py

app.py

@@ -16,8 +16,9 @@ def construct_index(directory_path):
     prompt_helper = PromptHelper(max_input_size, num_outputs, max_chunk_overlap, chunk_size_limit=chunk_size_limit)
     
     # Initialize the LLM predictor with an updated model name if available
-    llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0.7, model_name="gpt-4", max_tokens=num_outputs))  # Updated to GPT-4 or latest available model
-    
+   #llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0.7, model_name="gpt-4", max_tokens=num_outputs))  # Updated to GPT-4 or latest available model
+    llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0.7, model_name="gpt-3.5-turbo", max_tokens=num_outputs))
+
     # Load documents from the directory
     documents = SimpleDirectoryReader(directory_path).load_data()