def row_describes_data(row):
    """
    Returns True if this appears to be a row describing data, otherwise False.

    Meant to be used in conjunction with filter to prune out those rows
    that don't actually describe data, such as empty strings or decorations
    that delimit headers from actual data (i.e. '+----|----|-----+')
    """
    if row:
        if row.startswith('+') and row.endswith('+'):
            return False

        return True

    return False