def _parse_dates(obj: dict, date_fields: list[str]):
    """
    Function that converts string ISO dates to datetime.datetime instances in object
    """
    for date_field in date_fields:
        if obj.get(date_field):
            obj[date_field] = datetime.fromisoformat(obj[date_field])

    Function that converts string ISO dates to datetime.datetime instances in object
    
src/datachain/remote/studio.py