Python bytecode compatibility between interpreter versions

[Jon Perez]

Skip Montanaro wrote:

Jon> Huh??  .pyc files are an "implementation detail of the Python
Jon> interpreter"?  Care to expound further?  'Coz that sounds pretty
Jon> nonsensical...

"The internal structure of a .pyc file depends on the implementation
details of the particular version of the Python interpreter that it was
compiled with"

now when you phrase it that way, it makes sense...