Hello,
I'm using sage in an existing Jupyter notebook (that is using a 'normal' Python backend, and *not* sage). This works great except that all the output is plain text instead of a nice latex or image presentation (symbolic expressions, plots, ...).
I was able to activate pretty printing with the following code:
from sage.repl.rich_output.backend_ipython import BackendIPythonNotebook
backend = BackendIPythonNotebook()
backend.get_display_manager().switch_backend(backend, shell=get_ipython())
Thanks!
Tobias