removed get_knowledge_graph

lightrag/kg/oracle_impl.py

@@ -8,7 +8,6 @@ from typing import Any, Union, final
 import numpy as np
 import configparser
 
-from lightrag.types import KnowledgeGraph
 
 from ..base import (
     BaseGraphStorage,
@@ -676,11 +675,6 @@ class OracleGraphStorage(BaseGraphStorage):
     async def delete_node(self, node_id: str) -> None:
         raise NotImplementedError
 
-    async def get_knowledge_graph(
-        self, node_label: str, max_depth: int = 5
-    ) -> KnowledgeGraph:
-        raise NotImplementedError
-
 
 N_T = {
     NameSpace.KV_STORE_FULL_DOCS: "LIGHTRAG_DOC_FULL",