From b635002666648ff778b783386d9e09252bb835c0 Mon Sep 17 00:00:00 2001
From: Kevin Hu <kevinhu.sh@gmail.com>
Date: Mon, 23 Dec 2024 17:07:12 +0800
Subject: [PATCH] Fix duplicated communitiy (#4187)

### What problem does this PR solve?

#4180

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 graphrag/leiden.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/graphrag/leiden.py b/graphrag/leiden.py
index 315e6ff9..f9f9b330 100644
--- a/graphrag/leiden.py
+++ b/graphrag/leiden.py
@@ -141,3 +141,4 @@ def add_community_info2graph(graph: nx.Graph, nodes: list[str], community_title)
         if "communities" not in graph.nodes[n]:
             graph.nodes[n]["communities"] = []
         graph.nodes[n]["communities"].append(community_title)
+        graph.nodes[n]["communities"] = list(set(graph.nodes[n]["communities"]))