Originally reported against pypy3 in Ubuntu
https://bugs.launchpad.net/ubuntu/+source/pypy3/+bug/1920675

$ ./python 
Python 3.10.0a5+ (heads/master:ffa55d21b4, May 23 2021, 08:14:50) 
[GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path.append('/usr/lib/python3/dist-packages/')
>>> help()
...
help> modules

Please wait a moment while I gather a list of all available modules...

/usr/lib/python3/dist-packages/IPython/kernel/__init__.py:12: ShimWarning: The `IPython.kernel` package has been deprecated since IPython 4.0.You should import from ipykernel or jupyter_client instead.
  warn("The `IPython.kernel` package has been deprecated since IPython 4.0."
Expected Tk Togl installation in /usr/lib/python3/dist-packages/OpenGL/Tk/togl-linux-64
Failure loading Togl package: can't find package Togl, on debian systems this is provided by `libtogl2`
...
Crypto              brain_crypt         hgext               random
...

Warnings should probably be suppressed during module importing in help. Any warnings emitted here are probably deprecation warnings or system configuration issues, not useful to a user trying to browse modules.