Update chunking_utils.py to include Optional type hint: Add Optional to the import statement for improved type annotations, enhancing code clarity and maintainability.

app/core/chunking/chunking_utils.py

@@ -6,7 +6,7 @@ import math
 import yaml
 import logging
 from pathlib import Path
-from typing import Dict, Any, Tuple
+from typing import Dict, Any, Tuple, Optional
 
 logger = logging.getLogger(__name__)