fix readme 404

app.py

@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+import requests
+
 from huggingface_hub import HfApi, hf_hub_download
 from huggingface_hub.repocard import metadata_load
 
@@ -19,8 +21,12 @@ def get_model_ids():
 def get_metadatas(model_ids):
     metadatas = {}
     for model_id in model_ids:
-        readme_path = hf_hub_download(model_id, filename="README.md")
-        metadatas[model_id] = metadata_load(readme_path)
+        try:
+            readme_path = hf_hub_download(model_id, filename="README.md")
+            metadatas[model_id] = metadata_load(readme_path)
+        except requests.exceptions.HTTPError:
+            # 404 README.md not found
+            metadatas[model_id] = None
     return metadatas