fix linting

examples/lightrag_hf_demo.py

@@ -16,6 +16,7 @@ WORKING_DIR = "./dickens"
 if not os.path.exists(WORKING_DIR):
     os.mkdir(WORKING_DIR)
 
+
 async def initialize_rag():
     rag = LightRAG(
         working_dir=WORKING_DIR,
@@ -41,6 +42,7 @@ async def initialize_rag():
 
     return rag
 
+
 def main():
     rag = asyncio.run(initialize_rag())
 
@@ -49,23 +51,32 @@ def main():
 
     # Perform naive search
     print(
-        rag.query("What are the top themes in this story?", param=QueryParam(mode="naive"))
+        rag.query(
+            "What are the top themes in this story?", param=QueryParam(mode="naive")
+        )
     )
 
     # Perform local search
     print(
-        rag.query("What are the top themes in this story?", param=QueryParam(mode="local"))
+        rag.query(
+            "What are the top themes in this story?", param=QueryParam(mode="local")
+        )
     )
 
     # Perform global search
     print(
-        rag.query("What are the top themes in this story?", param=QueryParam(mode="global"))
+        rag.query(
+            "What are the top themes in this story?", param=QueryParam(mode="global")
+        )
     )
 
     # Perform hybrid search
     print(
-        rag.query("What are the top themes in this story?", param=QueryParam(mode="hybrid"))
+        rag.query(
+            "What are the top themes in this story?", param=QueryParam(mode="hybrid")
+        )
     )
 
+
 if __name__ == "__main__":
     main()