Update app.py

app.py

@@ -29,6 +29,9 @@ class_names_dict = {
 
 
 def predict_image(img_path):
+    # If no image is uploaded, return a message
+    if img_path is None:
+        return "Please upload an image.", fixed_image_url
     # Load the image using PIL
     img = Image.open(img_path)
     img = img.resize((256, 256))  # Resize the image