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1.Jupyter Notebook：单/多行注释，组合键：选中代码，按Ctrl + /。
2.安装PHATE包
使用pip直接进行安装

pip install --user phate

成功解决AttributeError: module ‘numpy’ has no attribute ‘float’.
报错：

AttributeError: module 'numpy' has no attribute 'float'.
`np.float` was a deprecated alias for the builtin `float`. To avoid this error in existing code, use `float` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use `np.float64` here.
The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at:https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations

解决方案一：
不用改代码，重新安装numpy就可以
出现这个问题的原因：np.float从1.24起被删除。所用的代码是依赖于旧版本的Numpy。可以将Numpy版本降级到1.23.5.

conda install numpy==1.23.5