diff --git a/src/controllers/controllers/controller.py b/src/controllers/controllers/controller.py
index 1aed977d..55defc37 100644
--- a/src/controllers/controllers/controller.py
+++ b/src/controllers/controllers/controller.py
@@ -9,7 +9,7 @@
 from sensor_msgs.msg import LaserScan
 from nav_msgs.msg import Odometry
 
-from environments.util import process_lidar, process_odom, reduce_lidar, forward_reduce_lidar, ackermann_to_twist
+from environments.util import process_odom, reduce_lidar, forward_reduce_lidar, ackermann_to_twist
 
 
 class Controller(Node):
diff --git a/src/environments/environments/util.py b/src/environments/environments/util.py
index 54b82a1f..4a8a09cb 100644
--- a/src/environments/environments/util.py
+++ b/src/environments/environments/util.py
@@ -105,7 +105,7 @@ def forward_reduce_lidar(lidar: LaserScan):
     new_range = []
 
     for index in idx:
-        new_range.append(ranges[index])
+        new_range.append(float(ranges[index]))
 
     return new_range