Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.013 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; '16,': 0.03; 'cc:addr :python-list': 0.11; 'arbitrarily': 0.16; 'cases)': 0.16; 'finney': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'pathological': 0.16; 'subject:object': 0.16; 'subject:versus': 0.16; 'wrote:': 0.18; 'not,': 0.20; 'cc:addr:python.org': 0.22; 'mon,': 0.24; 'cc:2**0': 0.24; 'header :In-Reply-To:1': 0.27; 'dec': 0.30; 'message-id:@mail.gmail.com': 0.30; 'received:google.com': 0.35; 'there': 0.35; 'should': 0.36; 'changing': 0.37; 'ben': 0.38; 'pm,': 0.38; 'expect': 0.39; 'subjectcharset:utf-8': 0.72; 'to:none': 0.92; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type:content-transfer-encoding; bh=C4KAABghnvko6quB8N+LBbgkzi5bClfTQVV4guud6pg=; b=p9fqNJZr0LTxAEkl1O/DmddA9p4NxWOrNoy+XBhkA8UA825Xvrq610afbaBh2wbzU0 MkfW2LwCe1a5ejLx9/U6YlLmKOKXjCZ8TH8PGU1Bii+xEWnx4twl/PKz7dAEFnHg3ilM pnDI8qsgeZw28R5cTTlV4Anz3kPzMqsZ83iFjDsTBexFthfOA0+OyfkYBOsVgtcX2xqN SaA1k5G3zI99q0Z/O1uaOTyhF22wY/reYJ062dYUNdIe9WiQCZ1HoZtJfzaP+ek5sARG oTYwvoLDh9Es5k2N3axO0S5Wjbe18SwB0TrS8w86CS1wqWDz69FdTZYFogqhZhROOjsd djIg== MIME-Version: 1.0 X-Received: by 10.66.66.234 with SMTP id i10mr17776699pat.127.1387170555782; Sun, 15 Dec 2013 21:09:15 -0800 (PST) In-Reply-To: <7wfvptjt6e.fsf@benfinney.id.au> References: <7wk3f5k1gm.fsf@benfinney.id.au> <7wfvptjt6e.fsf@benfinney.id.au> Date: Mon, 16 Dec 2013 16:09:15 +1100 Subject: =?UTF-8?B?UmU6IFR5cGUgb2YgYW4gb2JqZWN0OiDigJhvYmouX19jbGFzc19f4oCZIHZlcnN1cyA=?= =?UTF-8?B?4oCYdHlwZShvYmop4oCZ?= From: Chris Angelico Cc: "python-list@python.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 11 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1387170945 news.xs4all.nl 2890 [2001:888:2000:d::a6]:35368 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:62006 On Mon, Dec 16, 2013 at 3:50 PM, Ben Finney wr= ote: > Should we expect (ignoring pathological cases) the assertion > =E2=80=98type(obj) is obj.__class__=E2=80=99 to hold true? If not, under = what > circumstances would it be sensible for those to differ? By "pathological cases", do you mean arbitrarily changing obj.__class__, or is there some other way for them to differ? ChrisA