[issue42422] types.CodeType() has no bytecode verifier

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

> You may use https://bytecode.readthedocs.io/ which might help to write more portable code, (...)

Ah, I didn't notice that at the beginning of the documentation, you can see that even a very simple loop has a different bytecode before and after Python 3.8:

"Python 3.8 removed SETUP_LOOP"
https://bytecode.readthedocs.io/en/latest/usage.html#simple-loop

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<https://bugs.python.org/issue42422>
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