fix support gated models

src/backend.py

@@ -142,7 +142,11 @@ def _backend_routine():
     pending_models = list(set(rl_models) - set(evaluated_models))
     pending_and_compatible_models = []
     for repo_id, sha in pending_models:
-        filenames = [sib.rfilename for sib in API.model_info(repo_id, revision="main").siblings]
+        try:
+            siblings = API.model_info(repo_id, revision="main").siblings
+        except Exception:
+            continue
+        filenames = [sib.rfilename for sib in siblings]
         if "agent.pt" in filenames:
             pending_and_compatible_models.append((repo_id, sha))
 
@@ -160,15 +164,10 @@ def _backend_routine():
     row = {"model_id": model_id, "user_id": user_id, "sha": sha}
 
     # Run an evaluation on the models
-    try:
-        model_info = API.model_info(repo_id, revision=sha)
-        # Extract the environment IDs from the tags (usually only one)
-        env_ids = pattern_match(model_info.tags, ALL_ENV_IDS)
-    except Exception as e:
-        logger.error(f"Error fetching model info for {repo_id}: {e}")
-        logger.exception(e)
-        env_ids = []
+    model_info = API.model_info(repo_id, revision=sha)
 
+    # Extract the environment IDs from the tags (usually only one)
+    env_ids = pattern_match(model_info.tags, ALL_ENV_IDS)
     if len(env_ids) > 0:
         env_id = env_ids[0]
         logger.info(f"Running evaluation on {user_id}/{model_id}")