diff --git a/occupancy_grids.py b/occupancy_grids.py
index bb26a7b..cd8e147 100644
--- a/occupancy_grids.py
+++ b/occupancy_grids.py
@@ -5,12 +5,10 @@ from numpy.random import uniform
 
 
 def Binary_Baye_Filter (I, zt, x):
-    It = I + log()/log()
-    return jeg_er
+    pass
 
 def invserse_sensor_model(m, x, z):
-    noget = noget
-    return noget
+    pass
 
 
 def update(particles, weights, z, R, landmarks):