diff --git a/src/scan_filter.py b/src/scan_filter.py
index b99d1e8..5579e3d 100755
--- a/src/scan_filter.py
+++ b/src/scan_filter.py
@@ -4,6 +4,7 @@
 import rospy
 from numpy import linspace, inf
 from math import sin
+
 # We're going to subscribe to a LaserScan message
 from sensor_msgs.msg import LaserScan