pretty_print_default(True) is incompatible with HTML, Javascript
In Jupyter notebook of Sagemath, while pretty_print_default(True) done, the commands HTML, Javascript will do not work.
The right result should be:
Hi, is this using Sage installed on your computer, or using Sage on SageMathCloud at https://cloud.sagemath.com?
Using Jupiter notebook of Sagemath 7.3 on my computer.