bpo-39573: Finish converting to new Py_IS_TYPE macro.

[petdance]

Updates remaining files to use Py_IS_TYPE:

 Include/py_curses.h | 2 +-
Modules/_asynciomodule.c | 2 +-
Modules/_collectionsmodule.c | 2 +-
Modules/_elementtree.c | 2 +-
Modules/_io/bufferedio.c | 12 ++++++------
Modules/_io/stringio.c | 2 +-
Modules/_io/textio.c | 16 ++++++++--------
Modules/_pickle.c | 4 ++--
Modules/_threadmodule.c | 4 ++--
Modules/cjkcodecs/multibytecodec.h | 2 +-
Modules/itertoolsmodule.c | 2 +-
Objects/abstract.c | 2 +-
Objects/descrobject.c | 4 ++--
Objects/exceptions.c | 4 ++--
Objects/genobject.c | 6 +++---
Objects/listobject.c | 22 +++++++++++-----------
Objects/namespaceobject.c | 2 +-
Objects/tupleobject.c | 2 +-
Objects/typeobject.c | 8 ++++----
Objects/unicodeobject.c | 4 ++--
Python/ceval.c | 4 ++--
Python/errors.c | 2 +-
Python/importdl.c | 2 +-

https://bugs.python.org/issue39573

[codecov]

Codecov Report

Merging #18601 into master will increase coverage by 0.00%.
The diff coverage is n/a.

@@ Coverage Diff @@## master #18601 +/- ##
=======================================
Coverage 82.06% 82.06% =======================================
Files 1955 1955 Lines 584068 584068 Branches 44458 44458 =======================================
+ Hits 479334 479335 +1 + Misses 95110 95107 -3 - Partials 9624 9626 +2 

Impacted Files	Coverage Δ
Lib/idlelib/runscript.py	19.23% <0.00%> (-1.54%)	⬇️
Modules/binascii.c	85.86% <0.00%> (-0.91%)	⬇️
Lib/test/test_asyncio/functional.py	70.27% <0.00%> (-0.55%)	⬇️
Modules/_xxtestfuzz/fuzzer.c	72.86% <0.00%> (-0.51%)	⬇️
Modules/_struct.c	89.13% <0.00%> (-0.44%)	⬇️
Lib/test/test_random.py	96.78% <0.00%> (-0.31%)	⬇️
Lib/random.py	88.12% <0.00%> (-0.28%)	⬇️
Lib/test/test_io.py	94.86% <0.00%> (+0.03%)	⬆️
Modules/socketmodule.c	75.78% <0.00%> (+0.08%)	⬆️
Programs/_testembed.c	89.55% <0.00%> (+0.12%)	⬆️
... and 3 more

---

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[vstinner]

First round of review: the parenthesis review :-)

[vstinner]

@petdance: Thanks, merged. There are code like (Py_TYPE(other) != &keyobject_type). Do you want to convert them to !Py_IS_TYPE(obj, type) as well?

[petdance]

Do you want to convert them to !Py_IS_TYPE(obj, type) as well?

Sure, I'll take care of them.

[petdance]

@vstinner I've updated the negated checks to use Py_IS_TYPE as well over at #18789.