Fix

app.py

@@ -36,7 +36,12 @@ def webhook(payload: dict = Body(...)):
 
     data_dict = {"data": {"images": image_urls, "prompt": title}, "discussion_num": 1000}
 
-    path = hf_hub_download(repo_id=dataset_repo_id, filename=file_name, cache_dir="image_cache", repo_type="dataset")
+    path = hf_hub_download(
+        repo_id=dataset_repo_id,
+        filename=file_name,
+        cache_dir="/home/user/app/image_cache",
+        repo_type="dataset",
+    )
 
     with open(path, "r") as f:
         data = json.load(f)