I'm trying to run a jupyter notebook featuring interactive ipywidgets using a new laptop with a new installation of jupyter/ anaconda, but consistently get the error 'Javascript Error: IPython is not defined', e.g. when running the following: %matplotlib nbagg import matplotlib.pyplot as plt fig, ax = plt.subplots() I've tried installing Anaconda navigator, and after the above was unsuccessful tried using conda to install ipython and ipympl, but still got the 'IPython is not defined' error. Currently, starting with Miniconda3 py313_25.3.1.1, I've tried pip install notebook conda install matplotlib conda install ipython conda install ipympl (all in the default base environment) I then restarted my PC, and when I try ipython --version in the terminal I get 8.30.3 but still get the `IPython is not defined' error in the jupyter notebook. In the jupyter notebook, I'm using the Python 3 (ipykernel) Kernel. Continue reading...
