diff --git a/examples/parameter_controller/requirements.txt b/examples/parameter_controller/requirements.txt
index e197cb2..c53b0cc 100644
--- a/examples/parameter_controller/requirements.txt
+++ b/examples/parameter_controller/requirements.txt
@@ -3,4 +3,4 @@ six
 sqlparse
 numpy
 cloudpickle
-cloud-sql-python-connector[pymysql]
\ No newline at end of file
+cloud-sql-python-connector[pymysql]