Describe the bug
Using a data source with umlauts in the column names leads to the Jupyter Notebook with which the suite can be edited throw an error on startup. The Notebook then doesn't load.
This might be a Jupyter Notebook bug, not sure?!

To Reproduce
Steps to reproduce the behavior:

1. Initialize a suite with this xlsx file as a data source (nothing fancy: Just two columns, the

Hello,

First of all, thanks for the great package.
I'm trying to compute density maps of a 3 dimensional points distribution. I understood from the documentation that a variable bandwith method was available but I couldn't figure out how to set up this option.
Additionnaly, in the case of a fixed bandwidth KDE for multidimensional data, I would have expected as in the stats_models_multivari

Today i add a license for this repository.