def validate_image_col_row(image, col, row):
    """Basic checks for columns and rows values"""
    SPLIT_LIMIT = 99
    try:
        col = int(col)
        row = int(row)
    except:
        raise ValueError(
            'columns and rows values could not be cast to integer.')
    if col < 2:
        raise ValueError(
            'Number of columns must be between 2 and {} (you                           asked for {}).'
            .format(SPLIT_LIMIT, col))
    if row < 2:
        raise ValueError(
            'Number of rows must be between 2 and {} (you                           asked for {}).'
            .format(SPLIT_LIMIT, row))
