> The specification specifically allows for the restriction of access to globals via the second argument to eval.

The Python language reference doesn't provide any warranty like that.
https://docs.python.org/dev/library/functions.html#eval

I close the issue as "not as bug".

All previous attempts to "sandbox" Python code in Python have failed. The correct way is to run Python in a sandbox. Not the opposite.

> https://lwn.net/Articles/574215/ 

This one was my attempt for example ;-)