in data_preparation/image_utils.py [0:0]
def preprocess_image(image: np.ndarray) -> tf.Tensor:
image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
image = resize_crop(image)
image = image.astype(np.float32) / 127.5 - 1
image = np.expand_dims(image, axis=0)
image = tf.constant(image)
return image