Update app.py

app.py

@@ -2,6 +2,7 @@ import cv2
 import gradio as gr
 import numpy as np
 import tensorflow as tf
+
 from huggingface_hub.keras_mixin import from_pretrained_keras
 from PIL import Image
 
@@ -46,7 +47,7 @@ def show_plot(image):
     heatmap = np.float32(heatmap)
 
     saliency_map = heatmap + original_image
-    saliency_map = np.clip(saliency_map, 0.0, 255.0).astype("int32")
+    saliency_map = np.clip(saliency_map, 0.0, 255.0).astype(np.uint8)
     return Image.fromarray(saliency_map)