jupyter notebook安装python库_通过Jupyter Notebook 安装Python Packages

In software, it’s said that all abstractions are leaky, and this is true for the Jupyter notebook as it is for any other software. I most often see this manifest itself with the following issue:

I installed package X and now I can’t import it in the notebook. Help!

This issue is a perrennial source of StackOverflow questions (e.g. this, that, here, there, another, this one, that one, and this… etc.).

Fundamentally the problem is usually rooted in the fact that the Jupyter kernels are disconnected from Jupyter’s shell; in other words, the installer points to a different Python version than is being used in the notebook. In the simplest contexts this issue does not arise, but when it does, debugging the problem requires knowledge of the intricacies of the operating system, the intricacies of Python package installation, and the intricacies of Jupyter itself. In other words, the Jupyter notebook, like all abstractions, is leaky