bytecode non-backcompatibility

[Terry Reedy]

"Maurice LING" <mauriceling at acm.org> wrote in message 
news:d4kh4q$tqf$1 at domitilla.aioe.org...

> Now I understand that Python bytecodes are only dealing with pure python 
> source codes.

Then stop blaming (machine-independent) CPython 'bytecodes' for any 
problems you have with compiled-to-machine-language C extensions, which 
have nothing to do with bytecodes.  Bytecodes also have nothing directly to 
do with source-code compatibility.