def __init__(self, vgg16_npy_path=None):
        if vgg16_npy_path is None:
            path = inspect.getfile(Vgg16)
            path = os.path.abspath(os.path.join(path, os.pardir))
            path = os.path.join(path, 'vgg16.npy')
            vgg16_npy_path = path
            print path

        self.data_dict = np.load(vgg16_npy_path, encoding='latin1').item()
        print('npy file loaded')