Update app.py

app.py

@@ -112,6 +112,8 @@ def main():
             vectorstore = process_pdf("temp.pdf")
         
         llm = load_llm()
+        response = llm("東京の人口はどのくらいですか？")
+        print("LLM response:", response)
         
         qa_chain = RetrievalQA.from_chain_type(
             llm=llm,