fix Ruff

scripts/inspect_lpmm_global.py

@@ -1,6 +1,5 @@
 import os
 import sys
-from typing import Set
 
 # 保证可以导入 src.*
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
@@ -32,7 +31,6 @@ def main() -> None:
     # KG 统计
     nodes = kg.graph.get_node_list()
     edges = kg.graph.get_edge_list()
-    node_set: Set[str] = set(nodes)
 
     para_nodes = [n for n in nodes if n.startswith("paragraph-")]
     ent_nodes = [n for n in nodes if n.startswith("entity-")]