Can't use Jupyter Notebook: jsonschema apparently missing

Question

When using a an Anaconda environment, I can\'t start Jupyter to work in a notebook. I can do so without the environment, but I need to be able to use the environment. Here

Answer 1

I had the same problem.

I solved it by running this command

conda install -c anaconda jsonschema

https://anaconda.org/anaconda/jsonschema