Update app.py

app.py

@@ -13,6 +13,7 @@ with open(save_path, 'wb') as f:
 
 download_url="https://img.zcool.cn/community/0104c15cd45b49a80121416816f1ec.jpg@1280w_1l_2o_100sh.jpg"
 def download_file(download_url):
+    download_url="https://img.zcool.cn/community/0104c15cd45b49a80121416816f1ec.jpg@1280w_1l_2o_100sh.jpg"
     try:
         response = requests.get(download_url)
         file_name = download_url.split("/")[-1]  # Extracting the file name from the URL