diff --git a/sdk/python/juicefs/juicefs/juicefs.py b/sdk/python/juicefs/juicefs/juicefs.py
index 9f748cb51c05..a82c7f1431dc 100644
--- a/sdk/python/juicefs/juicefs/juicefs.py
+++ b/sdk/python/juicefs/juicefs/juicefs.py
@@ -71,7 +71,7 @@ def __init__(self):
 
     def __getattr__(self, n):
         fn = getattr(self.lib, n)
-        if n.equals("jfs_init") or n.equals("jfs_lseek"):
+        if n == "jfs_init" or n == "jfs_lseek":
             fn.restype = c_int64
             fn.errcheck = check_error
         elif n.startswith("jfs"):