On 05/07/2022 09:22, Matthieu Dartiailh wrote:

This surprised me on two levels:
- first I have never seen the RESUME opcode and it is currently not documented

RESUME occurs at the start of every function (and some other places), and is only used for some internal interpreter bookkeeping. It is documented at https://docs.python.org/3.11/library/dis.html#opcode-RESUME