virtualenv: bad things
If you're doing more than one project on your machine then you need to concern yourself with dependencies across projects. In python the old-school way of doing this is to use virtualenv and pip. These tools get the job done, but they may have some caveats you should be aware of.
You may be accidentally referencing the wrong jupyter environment while pip is suggesting that everything is installed properly. In the next video we'll demonstrate an example.
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