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POMacVim Python Indentation Issue
 

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  1. POMacVim Python Indentation Issue
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    <p>For the past 6 hours, I have been trying to find the source of an annoying bug in my MacVim setup. For reasons detailed below, the first time I opened up a Python file, the indentation was set correctly from the file <code>$VIMRUNTIME/ftplugin/python.vim</code>, which for me was <code>/usr/local/Cellar/macvim/7.4-72/MacVim.app/Contents/Resources/vim/runtime/ftplugin</code>.</p> <p>However on every subsequent Python file load, the <code>shiftwidth</code> reverted to the global default of 2, which I have set in my <code>.vimrc</code>. In tracking down the issue, I finally came upon this code in the <code>$VIMRUNTIME/ftpluin/python.vim</code> file:</p> <pre><code>if exists('*&lt;SID&gt;Python_jump') | finish | endif fun! &lt;SID&gt;Python_jump(motion) range let cnt = v:count1 let save = @/ " save last search pattern mark ' while cnt &gt; 0 silent! exe a:motion let cnt = cnt - 1 endwhile call histdel('/', -1) let @/ = save " restore last search pattern endfun if has("gui_win32") &amp;&amp; !exists("b:browsefilter") let b:browsefilter = "Python Files (*.py)\t*.py\n" . \ "All Files (*.*)\t*.*\n" endif " As suggested by PEP8. setlocal expandtab shiftwidth=4 softtabstop=4 tabstop=8 </code></pre> <p>On the first load, <code>&lt;SID&gt;Python_jump</code> isn't defined, so the PEP8 style indentation settings are applied. However, on every next load, the function is available and so the <code>shiftwidth</code> settings are never applied. If I comment out the <code>if exists('*&lt;SID&gt;Python_jump') | finish | endif</code> line, it works as expected and the indentation settings are set correctly on every file load.</p> <p>Now, what I'm wondering is if this is a genuine problem faced by others as well; in which case I should probably fix it and open up a pull request on the MacVim repo, or do I have something else wrong? I have tried disabling every plugin (I use Vundle, so I just commented out their <code>Bundle</code> lines in my <code>.vimrc</code>), but the result is the same.</p> <p><strong>Edit</strong> As pointed out by krystah, a <code>au FileType python set shiftwidth=4</code> also fixes the issue.</p>
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