Update app.py

app.py

@@ -65,6 +65,7 @@ def invoke(openai_api_key, use_rag, prompt):
     else:
         chain = LLMChain(llm = llm, prompt = LLM_CHAIN_PROMPT)
         result = chain.run({"question": prompt})
+        print(os.listdir("/data/chroma/"))
     return result
 
 description = """<strong>Overview:</strong> The app demonstrates how to use a Large Language Model (LLM) with Retrieval Augmented Generation (RAG) on external data