fixed not detectd

app.py

@@ -22,6 +22,9 @@ def process_image(input_image, model_name, conf):
         im_array = r.plot()
         im_array = im_array.astype(np.uint8)
 
+        if len(r.boxes) == 0:  # If no objects are detected
+            return None, "No objects detected."
+
         for box in r.boxes:
             class_name = r.names[box.cls[0].item()]
             class_counts[class_name] = class_counts.get(class_name, 0) + 1