Fix download model

app.py

@@ -1,9 +1,7 @@
 import streamlit as st
 from PIL import Image
 import random
-from sahi.utils.yolov8 import (
-    download_yolov8m_model,
-)
+from sahi.utils.yolov8
 from sahi import AutoDetectionModel
 from utils import sahi_yolov8m_inference
 import sahi.utils.file
@@ -57,7 +55,7 @@ def get_model():
     #    MMDET_YOLOX_TINY_CONFIG_PATH,
     #)
     
-    download_yolov8m_model(destination_path = YOLOV8M_MODEL_PATH)
+    sahi.utils.yolov8.download_yolov8m_model(destination_path = YOLOV8M_MODEL_PATH)
 
     detection_model = AutoDetectionModel.from_pretrained(
         model_type='yolov8',