diff --git a/python/paddle/trainer_config_helpers/layers.py b/python/paddle/trainer_config_helpers/layers.py
index fffb44152e..aebdcc134b 100644
--- a/python/paddle/trainer_config_helpers/layers.py
+++ b/python/paddle/trainer_config_helpers/layers.py
@@ -1045,7 +1045,9 @@ def fc_layer(input,
             assert len(input) == len(param_attr)
         else:
             if "parameter_name" in param_attr.attr and len(input) > 1:
-                logger.fatal("You should set the parameter name for each of the input item.")
+                logger.fatal(
+                    "You should set the parameter name for each of the input item."
+                )
             param_attr = [copy.deepcopy(param_attr) for _ in range(len(input))]
 
     assert isinstance(input, collections.Sequence)
@@ -4866,7 +4868,9 @@ def selective_fc_layer(input,
             assert len(input) == len(param_attr)
         else:
             if "parameter_name" in param_attr.attr and len(input) > 1:
-                logger.fatal("You should set the parameter name for each of the input item.")
+                logger.fatal(
+                    "You should set the parameter name for each of the input item."
+                )
             param_attr = [copy.deepcopy(param_attr) for _ in range(len(input))]
 
     assert isinstance(input, collections.Sequence)