Patch by OSAMU NAKAMURA.

module

Sort also imports

result again to int

Use the same default timeout than Makefile: 1 hour (3600 seconds).

Windows) instead of using the "duplex" pipe transport. The new class uses a
simpler overlapped read to be notified when the pipe is closed. So the protocol
doesn't need to implement eof_received(): connection_lost() is called instead.
_UnixWritePipeTransport has the same approach.

closed, but only if there was pending write

instead of rounding towards zero, in select and selectors modules:
select.epoll.poll(), selectors.PollSelector.poll() and
selectors.EpollSelector.poll(). For example, a timeout of one microsecond
(1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to
zero.

Mention the change in Misc/NEWS.

by Vajrasky Kok.

poll and epoll

Improve also debug info to analyze the issue

Add also event more debug info

failure on buildbot "x86 Ubuntu Shared 3.x"

* read_buffer can only be used for TYPE_READ and TYPE_ACCEPT types
* write_buffer can only be used for TYPE_WRITE type

all builtin functions.

Mention that wait_for() now accepts None for the timeout.

Moreover, bufsize different than 0 is now considered as an error.