added fallback

app.py

@@ -22,7 +22,7 @@ _dist_cache: dict = {}
 def _ensure_data():
     if not os.path.exists(DATA_PATH):
         from huggingface_hub import hf_hub_download
-        from huggingface_hub.utils import EntryNotFoundError
+        from huggingface_hub.errors import EntryNotFoundError, RepositoryNotFoundError
         os.makedirs(_DATA_DIR, exist_ok=True)
         filename = os.path.basename(DATA_PATH)
         print(f"Downloading {filename} from HF Hub...")
@@ -35,11 +35,11 @@ def _ensure_data():
                 local_dir_use_symlinks=False,
                 token=os.environ.get("HF_TOKEN"),
             )
-        except EntryNotFoundError:
-            raise RuntimeError(
-                f"{filename} not found on HF Hub. "
-                "Call update_season_data() to fetch and upload it first."
-            )
+        except (EntryNotFoundError, RepositoryNotFoundError):
+            print(f"{filename} not found on HF Hub. Fetching from Baseball Savant...")
+            result = update_season_data()
+            if result["status"] != "ok":
+                raise RuntimeError(f"Auto-fetch failed: {result['message']}")
 
 
 def _get_dist(team: str) -> InningOutcomeDistribution: