adding code to retrieve HF_TOKEN

app.py

@@ -58,6 +58,7 @@ def download_olmoasr_checkpoint():
             filename=CHECKPOINT_FILENAME,
             local_dir=LOCAL_CHECKPOINT_DIR,
             local_dir_use_symlinks=False,
+            token=os.getenv("HF_TOKEN"),
         )
         print(f"Downloaded checkpoint to {downloaded_path}")
         return downloaded_path