diff --git a/tools/serving_build.sh b/tools/serving_build.sh
index 04604555cf3d14fa865ab80de2c0cfa74edb5bd1..ebc52bc5ed29dc40a53997d16d3363e40933cb2e 100644
--- a/tools/serving_build.sh
+++ b/tools/serving_build.sh
@@ -111,7 +111,6 @@ function kill_server_process() {
     ps -ef | grep "serving" | grep -v serving_build | grep -v grep | awk '{print $2}' | xargs kill
 }
 
-
 function python_test_fit_a_line() {
     # pwd: /Serving/python/examples
     cd fit_a_line # pwd: /Serving/python/examples/fit_a_line