Toolbar not visible after setting jupyter notebook theme

Question

The toolbar and notebook name does not show when I call and load the themes from the notebook.

I can load the themes from notebook using a code but I am not sure how to

Answer 1

Have you tried to update to the latest version? I have tried many suggestions. All did not work until I updated the theme package to the latest version

pip install --upgrade jupyterthemes

I found the solution here