def shift(coord_paths, shift_vector):
    """
    Take an array of paths and shift them by the coordinate. 
    """
    new_paths = []
    for path in coord_paths:
        new_path = []
        for point in path:
            new_path.append( (point[0] + shift_vector[0], point[1]+ shift_vector[1]))
        new_paths.append(new_path)
        
    return new_paths