update simply
diff --git a/examples/simple_model_tstd.py b/examples/simple_model_tstd.py
index 75cb5c0..854ee03 100644
--- a/examples/simple_model_tstd.py
+++ b/examples/simple_model_tstd.py
@@ -6,7 +6,9 @@
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
-# http://www.apache.org/licenses/LICENSE-2.0
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an