From 15d9ee1b5164edd17bbead251c1620f290062064 Mon Sep 17 00:00:00 2001
From: "7. Sun" <jhao.sun@gmail.com>
Date: Sun, 12 Apr 2026 07:14:23 +0100
Subject: [PATCH] fix: close KnowledgeGraph SQLite connections in test fixtures
 (#450)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
---
 tests/conftest.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/conftest.py b/tests/conftest.py
index 7a3e55a..16185ef 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -169,7 +169,9 @@ def seeded_collection(collection):
 def kg(tmp_dir):
     """An isolated KnowledgeGraph using a temp SQLite file."""
     db_path = os.path.join(tmp_dir, "test_kg.sqlite3")
-    return KnowledgeGraph(db_path=db_path)
+    graph = KnowledgeGraph(db_path=db_path)
+    yield graph
+    graph.close()
 
 
 @pytest.fixture