diff --git a/lightrag/operate.py b/lightrag/operate.py
index 2a64a791..5d67b21b 100644
--- a/lightrag/operate.py
+++ b/lightrag/operate.py
@@ -615,10 +615,14 @@ async def extract_entities(
 
             # Merge results - only add entities and edges with new names
             for entity_name, entities in glean_nodes.items():
-                if entity_name not in maybe_nodes:  # Only accetp entities with new name in gleaning stage
+                if (
+                    entity_name not in maybe_nodes
+                ):  # Only accetp entities with new name in gleaning stage
                     maybe_nodes[entity_name].extend(entities)
             for edge_key, edges in glean_edges.items():
-                if edge_key not in maybe_edges:  # Only accetp edges with new name in gleaning stage
+                if (
+                    edge_key not in maybe_edges
+                ):  # Only accetp edges with new name in gleaning stage
                     maybe_edges[edge_key].extend(edges)
 
             if now_glean_index == entity_extract_max_gleaning - 1: