from sko.PSO import PSO ModuleNotFoundError: No module named 'sko'

根据提供的引用内容，从sko模块中引入PSO类时出错，报错信息是"No module named 'sko'"。这个错误表示找不到名为'sko'的模块。为了解决这个问题，您需要安装scikit-opt模块。您可以使用以下命令安装scikit-opt模块:

pip install scikit-opt

安装完成后，您应该能够成功引入sko模块并使用PSO类。请确保在安装之前已经安装了pip，这是Python的包管理工具。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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