fix demo

examples/query_keyword_separation_example.py

@@ -102,7 +102,7 @@ async def initialize_rag():
 # Example function demonstrating the new query_with_separate_keyword_extraction usage
 async def run_example():
     # Initialize RAG instance
-    rag = asyncio.run(initialize_rag())
+    rag = await initialize_rag()
 
     book1 = open("./book_1.txt", encoding="utf-8")
     book2 = open("./book_2.txt", encoding="utf-8")