This reverts commit dc1f2a92.

 Fix #58

similar to 6164be16

For numpy>=1.20

* Rename plot_height -> height
* Rename plot_width -> width
* Replace on_click callbacks of RadioGroup and CheckboxGroup

Fix #57

Fix #53

Fix #51

Fix #52

1570e17b continued
For #51

For #51

For #51

For #51