I would like to use Jupyter notebook inside Pycharm. The project interpreter is a python2.7 from a virtual environment inside WSL (ubuntu 18.04).
The Jupiter package
The above solution using a designated url with token seems to work with older versions. An simpler solution is to upgrade to the latest PyCharm. I no longer had an issue with the auto managed served using PyCharm 2019.3.2 (Mac)