diff --git a/.gitignore b/.gitignore
index 4c0d0f11c..922116d12 100644
--- a/.gitignore
+++ b/.gitignore
@@ -175,7 +175,6 @@ output
 tmp.png
 .dependencies.json
 tests/metagpt/utils/file_repo_git
-tests/data/rsp_cache.json
 tests/data/rsp_cache_new.json
 *.tmp
 *.png
diff --git a/metagpt/rag/rankers/base.py b/metagpt/rag/rankers/base.py
index ecb23cf3e..a533a8b90 100644
--- a/metagpt/rag/rankers/base.py
+++ b/metagpt/rag/rankers/base.py
@@ -3,9 +3,8 @@
 from abc import abstractmethod
 from typing import Optional
 
-from llama_index import QueryBundle
 from llama_index.core.postprocessor.types import BaseNodePostprocessor
-from llama_index.core.schema import NodeWithScore
+from llama_index.core.schema import NodeWithScore, QueryBundle
 
 
 class RAGRanker(BaseNodePostprocessor):