diff --git a/tb3_challenge1.py b/tb3_challenge1.py
index 274f0bce87ab303933fd1aa9c9bc2f38d4ff3829..98ca3d39ae5523cf39d9e627963256373470817e 100644
--- a/tb3_challenge1.py
+++ b/tb3_challenge1.py
@@ -1,4 +1,4 @@
-import rclpy  # ROS client library
+ import rclpy  # ROS client library
 from rclpy.node import Node
 from rclpy.qos import qos_profile_sensor_data
 
@@ -71,4 +71,4 @@ def main(args=None):
 
 
 if __name__ == '__main__':
-    main()
\ No newline at end of file
+    main()