diff --git a/mace/python/tools/converter.py b/mace/python/tools/converter.py
index 8b43ce7fcf50c3034ac00c72c77bf3fca037eb55..fffa8d48a62098225c69bd65e909e981a7e93e10 100644
--- a/mace/python/tools/converter.py
+++ b/mace/python/tools/converter.py
@@ -175,7 +175,10 @@ def parse_args():
     parser.add_argument(
         "--platform", type=str, default="tensorflow", help="tensorflow/caffe")
     parser.add_argument(
-        "--embed_model_data", type=str2bool, default=True, help="embed model data.")
+        "--embed_model_data",
+        type=str2bool,
+        default=True,
+        help="embed model data.")
     return parser.parse_known_args()
 
 
diff --git a/tools/mace_tools.py b/tools/mace_tools.py
index 2d58e83227d16ce894c6e1447673a56cafaaf9ec..bbd6932c55187eedc6c8999cae2cbc21dcb23355 100644
--- a/tools/mace_tools.py
+++ b/tools/mace_tools.py
@@ -390,8 +390,8 @@ def parse_model_configs():
                 value = model_config.get(key, "")
                 if value == "":
                     model_config[key] = 0
-                    print("'%s' for %s is set to default value: 0"
-                            % (key, model_name))
+                    print("'%s' for %s is set to default value: 0" %
+                          (key, model_name))
 
             validation_inputs_data = model_config.get("validation_inputs_data",
                                                       [])