Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed3.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 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'importing': 0.05; 'that?': 0.05; 'collier': 0.09; 'pep': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'recommends': 0.09; 'pep8': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'subject:import': 0.16; 'wrote:': 0.18; 'bit': 0.19; 'import': 0.22; 'separate': 0.22; 'header:User-Agent:1': 0.23; 'closely': 0.24; 'this:': 0.26; 'header:X-Complaints-To:1': 0.27; 'header:In- Reply-To:1': 0.27; "i'm": 0.30; 'lines': 0.31; 'libraries': 0.31; 'os,': 0.31; 'johnson': 0.35; 'there': 0.35; "i'll": 0.36; 'two': 0.37; 'list': 0.37; 'performance': 0.37; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'further,': 0.74; 'clearer': 0.84; 'comment.': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Dave Angel Subject: Re: import syntax Date: Mon, 29 Jul 2013 16:09:18 -0400 References: <51F6C720.2020404@Gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: 174.32.174.29 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 In-Reply-To: <51F6C720.2020404@Gmail.com> 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: 24 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1375128578 news.xs4all.nl 15905 [2001:888:2000:d::a6]:42048 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:51485 On 07/29/2013 03:48 PM, Devyn Collier Johnson wrote: > The PEP8 recommends importing like this: > > import os > import re > > not like this: > > import os, re > > Why is that? Is there a performance advantage to one of the styles? > > Pep 8 is not about performance, it's about readability. And unless the two libraries are closely related, it's clearer to use separate lines for them. I got a bit further, and if I'm only using a couple of functions from the import, I'll list them in the comment. -- DaveA