update

app.py

@@ -1,11 +1,11 @@
 import gradio as gr
 import matplotlib.pyplot as plt
 from sklearn.preprocessing import KBinsDiscretizer
-from PIL import Image
 import numpy as np
+from typing import Tuple
 
 
-def build_init_plot(img_array: np.ndarray) -> tuple[str, plt.Figure]:
+def build_init_plot(img_array: np.ndarray) -> Tuple[str, plt.Figure]:
     init_text = (f"The dimension of the image is {img_array.shape}\n"
           f"The data used to encode the image is of type {img_array.dtype}\n"
           f"The number of bytes taken in RAM is {img_array.nbytes}")