A Python core developer has requested some changes be made to your pull request before we can consider merging it. If you could please address their requests along with any other requests in other reviews from core developers that would be appreciated.

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we discussed on bpo to use fewer places, but you add more.

I'm not sure what you mean. The only thing that we discussed (on bpo-37483 which relates to a different PR) is that maybe we should not use private functions in _decimal.c. However, in this case I'm using a documented public function, belonging to the limited API PyObject_CallNoArgs.

So please let me know whether the changes to _decimal.c should be reverted anyway.

The PR title mentions _PyObject_CallNoArg(). I see now that there are other functions in the _decimal.c diff, but again not in speed sensitive locations.

So perhaps there are too many new functions. I'll decide later if to use any of these, so yes, please take them out.

not in speed sensitive locations.

Even if it's not speed sensitive, I see no reason to prefer PyObject_CallObject(func, NULL) over PyObject_CallNoArgs(func).

I have made the requested changes; please review again

Thanks for making the requested changes!

@skrah: please review the changes made to this pull request.