diff --git a/python/pipeline/operator.py b/python/pipeline/operator.py
index 29be40b448e9b25ea03b6275f44577fcbfa04597..814ddf3bc46e30bdb7f8b1009b7f4553e213aeb1 100644
--- a/python/pipeline/operator.py
+++ b/python/pipeline/operator.py
@@ -1367,7 +1367,7 @@ class Op(object):
              mkldnn_bf16_op_list, min_subgraph_size, dynamic_shape_info)
 
         if resp.err_no != CustomExceptionCode.OK.value:
-	    _LOGGER.critical(
+            _LOGGER.critical(
                 "{} failed to init op: {}".format(op_info_prefix, resp.err_msg),
                 exc_info=False)
             print("{} failed to init op: {}".format(op_info_prefix, resp.err_msg))