def read_img(path):    imgs = []    labels = []    # classs = []    classs = os.listdir(path)    for idx, folder in enumerate(classs):        cate = os.path.join(path, folder)        for im in os.listdir(cate):            print(im)            img_path =os.path.join(cate, im)            print('reading the images:%s' % (img_path))            img = io.imread(img_path)            img = transform.resize(img, (w, h))            # with open('tests.txt', 'a') as f:            #     f.write(img_path+'_'+str(idx)+'\n')            imgs.append(img)            labels.append(idx)    return np.asarray(imgs, np.float32), np.asarray(labels, np.int32)