diff --git a/chdb/__init__.py b/chdb/__init__.py
index 97f3f5cae28..c365b3e6432 100644
--- a/chdb/__init__.py
+++ b/chdb/__init__.py
@@ -18,7 +18,7 @@ class ChdbError(Exception):
 # UDF script path will be f"{g_udf_path}/{func_name}.py"
 g_udf_path = ""
 
-chdb_version = ("0", "6", "0")
+chdb_version = ('0', '6', '0')
 if sys.version_info[:2] >= (3, 7):
     # get the path of the current file
     current_path = os.path.dirname(os.path.abspath(__file__))