Install Jupyter Notebook on Miniconda

Question

I installed Miniconda and I\'m trying to use Jupyter Notebook with it but haven\'t been able to do so. After installing miniconda I ran the

Answer 1

This problem has just happened to me as well. My older anaconda environments seem to be working fine but the environments I have created today seem to have this exact issue which throws AttributeError: type object 'IOLoop' has no attribute 'initialized'.

It seems to be because of the latest release of tornado==5.0 which released either today or yesterday. I reverted back to the last stable version i.e. tornado==4.5.3 and it worked.

Here's the solution

pip uninstall tornado
pip install tornado==4.5.3