small fixes

app.py

@@ -111,7 +111,7 @@ def process(
     repo_id: str,
     decoding_method: str,
     num_active_paths: int,
-) -> str:
+):
     logging.info(f"in_filename: {in_filename}")
     logging.info(f"language: {language}")
     logging.info(f"repo_id: {repo_id}")