Check for and return the full list of objects colliding with collision_object

def query_all_collisions(collision_object):
        """
        Check for and return the full list of objects colliding with collision_object
        """
        global collidable_objects
        colliding = []
        for obj in collidable_objects:
            #Make sure we don't check ourself against ourself.
            if obj is not collision_object:
                if collision_object.is_colliding(obj):
                    #A collision has been detected. Add the object that we are colliding with.
                    colliding.append(obj)

        return colliding