[issue15030] PyPycLoader can't read cached .pyc files

[Ronan Lamy]

Ronan Lamy <ronan.lamy at gmail.com> added the comment:

Well, working on a deprecated ABC is certainly low-priority, but it seems rather bad to have 2 incompatible implementations of the .pyc format in the stdlib. If this is to stay like this, it should at least come with a strong warning that users of PyPycLoader must invent their own PEP 3147 magic tag, which opens the can of worms of supporting multiple .pyc formats within the same interpreter in the stdlib. 

It seems easier to just fix it to be compatible with the one blessed .pyc format, as was the case in 3.2.

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<http://bugs.python.org/issue15030>
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