s/stringobject/bytesobject/ (closes #22036)

Patch by Martin Matusiak.

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branch : 3.4
extra : amend_source : 0c7a959856a29c25c57bf0432e87f63cc9e9acfb
merge 3.4 (#22036)
Englich grammar nit.

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branch : 3.4
Merge with 3.4
Asyncio doc fixes: spelling, grammar, duplication.

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branch : 3.4
Merge with 3.4
Fix incomplete sentence in asyncio docs.

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branch : 3.4
Merge 3.4: Fix incomplete sentence in asyncio docs.
Issue #20055: Fix BaseEventLoop.stop() docstring, incomplete sentence.
Patch written by Saimadhav Heblikar.

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branch : 3.4
(Merge 3.4) Issue #20055: Fix BaseEventLoop.stop() docstring, incomplete
sentence. Patch written by Saimadhav Heblikar.
asyncio tests: relax timings for slow buildbots

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branch : 3.4
(Merge 3.4) asyncio tests: relax timings for slow buildbots
test_gettext: use support.rmtree() instead of shutil.rmtree()

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branch : 3.4
test_gettext: use support.rmtree() instead of shutil.rmtree()
Issue #19884: readline: Disable the meta modifier key if stdout is not a
terminal to not write the ANSI sequence "\033[1034h" into stdout. This sequence
is used on some terminal (ex: TERM=xterm-256color") to enable support of 8 bit
characters.

--HG--
branch : 3.4
(Merge 3.4) Issue #19884: readline: Disable the meta modifier key if stdout is
not a terminal to not write the ANSI sequence "\033[1034h" into stdout. This
sequence is used on some terminal (ex: TERM=xterm-256color") to enable support
of 8 bit characters.
Issue #21813: Enhance documentation of the os.stat_result class.

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branch : 3.4
Backport os.rst documentation from Python 3.5.

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branch : 3.4
Issue #21813: Enhance documentation of the os.stat_result class.
Issue #16133: The asynchat.async_chat.handle_read() method now ignores
BlockingIOError exceptions. Initial patch written by Xavier de Gaye.

Document also in asyncore documentation that recv() may raise BlockingIOError.

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branch : 3.4
extra : amend_source : bc2c68c3ad538f425c16eb8e702a3fadd214522d