diff --git a/tests/milvus_python_test/utils.py b/tests/milvus_python_test/utils.py
index 1f584e0f56b9e38751a8899ad2c14cec5225fd5f..1a26fa8f17879412aca8275ab3fb5c257140adce 100644
--- a/tests/milvus_python_test/utils.py
+++ b/tests/milvus_python_test/utils.py
@@ -611,7 +611,7 @@ def get_search_param(index_type):
         return {"nprobe": 32}
     elif index_type == IndexType.HNSW:
         return {"ef": 64}
-     elif index_type == IndexType.RNSG:
+    elif index_type == IndexType.RNSG:
         return {"search_length": 50}
     else:
         logging.getLogger().info("Invalid index_type.")