integer.

Thanks to Serhiy Storchaka and Martin Panter for the suggestions.

Methods only raise NotImplementedError and are never used.

Reported by Jon Colburn on docs@.

Remove the old comment suggesting that it was desireable to have
blocksize+2 as a multiple of the cache line length.  That would
have made sense only if the block structure start point was always
aligned to a cache line boundary.  However, the memory allocations
are 16 byte aligned, so we don't really have control over whether
the struct spills across cache line boundaries.

Issue #23465: Implement PEP 486 - Make the Python Launcher aware of virtual environments (patch by Paul Moore)

Patch by Nikolaus Rath.

Also, update email examples to use the context manager version of open().

Patch by Baptiste Mispelon.

Also, update email examples to use the context manager version of open().

Patch by Baptiste Mispelon.

See
de Gouw, Stijn and Rot, Jurriaan and de Boer, Frank S and Bubel, Richard and Hähnle, Reiner
"OpenJDK’s java.utils.Collection.sort() is broken: The good, the bad and the worst case"