[issue24115] PyObject_IsInstance() and PyObject_IsSubclass() can fail

2015-05-03 Thread Arfrever Frehtes Taifersar Arahesis 

Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:


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nosy: +Arfrever

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[issue24115] PyObject_IsInstance() and PyObject_IsSubclass() can fail

2015-05-02 Thread Serhiy Storchaka 

New submission from Serhiy Storchaka:

PyObject_IsInstance() and PyObject_IsSubclass() cat return 0, 1, or -1. But 
some code use if (PyObject_IsInstance(...)) or if 
(!PyObject_IsInstance(...)). This should be fixed.

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assignee: serhiy.storchaka
components: Extension Modules, Interpreter Core
messages: 242407
nosy: serhiy.storchaka
priority: normal
severity: normal
stage: needs patch
status: open
title: PyObject_IsInstance() and PyObject_IsSubclass() can fail
type: behavior
versions: Python 2.7, Python 3.4, Python 3.5

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