I have encountered the following difference between Python 3 and 2:
(py3)
>>> compile('xxx', '<>', 'eval').co_code
b'e\x00S\x00'
(py2)
>>> compile('xxx', '<>', 'eval').co_code
'e\x00\x00S'
Note that 'S' (the code for RETURN_VALUE) and a zero byte are swapped
in Python 2 compared to Python 3. Is this change documented
somewhere?
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