code: def remove_object(collision_object):
          
          global collidable_objects
          if isinstance(collision_object, CollidableObj):
              # print "Collision object of type ", type(collision_object), " removed from the collision manager."
              try:
                  collidable_objects.remove(collision_object)
              except:
                  print
                  "Ragnarok Says: Collision_Object with ID # " + str(
                      collision_object.obj_id) + " could not be found in the Collision Manager. Skipping over..."
docs: Remove the collision object from the Manager