In the file of [https://github.com/arundo/adtk/blob/v0.6.2/tests/test_visualization.ipynb](https://github.com/arundo/adtk/blob/v0.6.2/tests/test_visualization.ipynb), The example does not use df, does it mean it does not support df?

[TonyEinstein]

hello,In the file of https://github.com/arundo/adtk/blob/v0.6.2/tests/test_visualization.ipynb, The example does not use df, does it mean it does not support df?