Errors in code evaluation are not reported on screen

[FelipeLema]

Checklist

• I followed the troubleshooting guide and it did not address my issue
• I've included a link to a Github Gist with the full contents of my troubleshooting.org buffer
• Each section below is filled in and includes sufficient detail to reproduce the issue

Expected Behavior

Evaluating the following block code does not report an error on screen (using another "org error" buffer)

#+begin_src python :async
  raise NotImplementedError
#+end_src

If you evaluate it withou :async, then the error is reported on screen.

The last section in troubleshooting.org shows this issue