Fix: Preserve Leading Spaces in Graph Label Selection

lightrag/__init__.py

@@ -1,5 +1,5 @@
 from .lightrag import LightRAG as LightRAG, QueryParam as QueryParam
 
-__version__ = "1.4.7"
+__version__ = "1.4.8"
 __author__ = "Zirui Guo"
 __url__ = "https://github.com/HKUDS/LightRAG"

lightrag/api/__init__.py

@@ -1 +1 @@
-__api_version__ = "0209"
+__api_version__ = "0210"

lightrag/api/routers/graph_routes.py

@@ -66,6 +66,11 @@ async def get_knowledge_graph(
             Dict[str, List[str]]: Knowledge graph for label
         """
         try:
+            # Log the label parameter to check for leading spaces
+            logger.debug(
+                f"get_knowledge_graph called with label: '{label}' (length: {len(label)}, repr: {repr(label)})"
+            )
+
             return await rag.get_knowledge_graph(
                 node_label=label,
                 max_depth=max_depth,