diff --git a/unitree_sdk2py/__init__.py b/unitree_sdk2py/__init__.py
index a951f2d..316822f 100644
--- a/unitree_sdk2py/__init__.py
+++ b/unitree_sdk2py/__init__.py
@@ -1,8 +1,8 @@
 from . import idl, utils, core, rpc, go2
 
 __all__ = [
-    "idl"
-    "utils"
+    "idl",
+    "utils",
     "core",
     "rpc",
     "go2",