踩过的坑 之 tqdm_notebook 报错 NameError: name 'IntProgress' is not defined

jupyter notebook /lab 使用tqdm时(from tqdm import tqdm_notebook as tqdm) 报错: NameError: name ‘IntProgress’ is not defined

解决方案: 安装ipywidgets即可.

pip install ipywidgets
或
conda install  ipywidgets

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