[BUG] ValueError: operands could not be broadcast together with shapes (3,) (0,)

[sugizo]

Environment (使用环境) google colab

• Installation method (安装方式): pip install -U pydrawing
• The version of pydrawing (版本号): Version: 0.1.9
• Operating system (操作系统): ubuntu
• Python version (Python版本): Python 3.10.12

Question description (问题描述) photomosaic return error

Screenshot (报错截图)

Advice (修复建议) can use photomosaic

best regards