[docs] [issue12982] Document that importing .pyo files needs python -O

[Caleb Hattingh]

Caleb Hattingh added the comment:

Presumably PEP488 (and the 4 years of inactivity) means that this issue could be closed?

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nosy: +cjrh

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12982>
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