def load_existing(file_location: str) -> dict:
    """Load existing values from a pickle file.

    Args:
        file_location: Path to the pickle file containing values

    Returns:
        Dictionary of existing values, or empty dict if file not found
    """
    try:
        existing = pd.read_pickle(file_location)

        # Convert to dictionary for faster lookup
        existing_dict = existing[0].to_dict()
        print(f"Loaded {len(existing_dict)} existing values")
        return existing_dict
    except (FileNotFoundError, KeyError):
        print("No existing values found, starting fresh")
        return {}
Load existing values from a pickle file.

    Args:
        file_location: Path to the pickle file containing values

    Returns:
        Dictionary of existing values, or empty dict if file not found
    
parsers/helpers.py