diff --git a/tests/utils/kagglehub.py b/tests/utils/kagglehub.py
index a6250e29..126672ad 100644
--- a/tests/utils/kagglehub.py
+++ b/tests/utils/kagglehub.py
@@ -26,8 +26,10 @@ def do_GET(self):
         path = m.group(2)
         filepath = f"/input/tests/data/kagglehub/models/{model_handle}/{path}"
         if not os.path.isfile(filepath):
-            self.send_response(404)
-            self.end_headers()
+            self.send_error(404, "Internet is disabled in our tests "
+                "kagglehub uses a fake API server "
+                f"Use `kagglehub.model_download('{model_handle}', path='{path}')` to download the missing file "
+                f"and copy it to `./docker-python/tests/data/kagglehub/models/{model_handle}/{path}`.")
             return
 
         with open(filepath, "rb") as f: