Hi,

I just tried your patch with the last revision and I have an error with the tests.

stephane@sg1 ~/s/h/cpython> ./python -m test test_operator
[1/1] test_operator
Fatal Python error: ./Modules/_operator.c:975 object at 0x7ff804c2e3d8 has negative ref count -1

Current thread 0x00007ff806ee8700 (most recent call first):
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/case.py", line 600 in run
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/case.py", line 648 in __call__
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/suite.py", line 122 in run
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/suite.py", line 84 in __call__
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/suite.py", line 122 in run
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/suite.py", line 84 in __call__
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/suite.py", line 122 in run
  File "/home/stephane/src/hg.python.org/cpython/Lib/unittest/suite.py", line 84 in __call__
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/support/__init__.py", line 1679 in run
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/support/__init__.py", line 1780 in _run_suite
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/support/__init__.py", line 1814 in run_unittest
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/runtest.py", line 161 in test_runner
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/runtest.py", line 162 in runtest_inner
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/runtest.py", line 126 in runtest
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/main.py", line 295 in run_tests_sequential
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/main.py", line 356 in run_tests
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/main.py", line 392 in main
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/main.py", line 433 in main
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/libregrtest/main.py", line 455 in main_in_temp_cwd
  File "/home/stephane/src/hg.python.org/cpython/Lib/test/__main__.py", line 3 in <module>
  File "/home/stephane/src/hg.python.org/cpython/Lib/runpy.py", line 85 in _run_code
  File "/home/stephane/src/hg.python.org/cpython/Lib/runpy.py", line 170 in _run_module_as_main
fish: “./python -m test test_operator” terminated by signal SIGABRT (Abort)
stephane@sg1 ~/s/h/cpython> 


stephane@sg1 ~/s/h/cpython> hg tip
changeset:   99407:734247d5d0f9
tag:         tip
parent:      99404:ac0f7ed0e94d
parent:      99406:fee19d2d7713
user:        Zachary Ware <zachary.ware@gmail.com>
date:        Mon Nov 30 22:57:22 2015 -0600
summary:     Closes #25767: Merge with 3.5