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Re: how to reduce bugs due to incorrect indentation

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Date Thu, 6 Feb 2014 15:36:30 -0500
Subject Re: how to reduce bugs due to incorrect indentation
From Larry Martell <larry.martell@gmail.com>
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On Thu, Feb 6, 2014 at 3:29 PM, Roel Schroeven <roel@roelschroeven.net> wrote:
> msustik@gmail.com schreef:
>>
>> I had a bug in a Python script recently. The code in question was
>> something along the lines of:
>>
>> if a == 1:
>>     x = y
>> else:
>>     x = z
>> y = z + y
>> z = z + 1
>>
>> While editing this file I accidentally pushed TAB on the line with 'y = z
>> + y'.
>>
>> My changes were elsewhere and I did not notice the above one line change
>> when I looked at the diffs before commit. I should have noticed it...
>>
>> It was rare that a was 1 and therefore the problem did not show up for a
>> while. (I know I should have had tests exercising all cases...)
>>
>> When the bug showed up, it was kind of difficult to remember what was the
>> original intent. Fortunately, looking at old versions allowed me to find the
>> problem commit and the bug.
>>
>> Any suggestion on how to avoid this type of error in the future?
>
>
> My suggestion: configure your editor to insert the appropriate amount of
> spaces instead of a tab when you press the tab key.

+1 - tabs are evil.

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Thread

how to reduce bugs due to incorrect indentation msustik@gmail.com - 2014-02-05 19:02 -0800
  Re: how to reduce bugs due to incorrect indentation Dan Sommers <dan@tombstonezero.net> - 2014-02-06 03:08 +0000
    Re: how to reduce bugs due to incorrect indentation Chris Angelico <rosuav@gmail.com> - 2014-02-06 15:47 +1100
  Re: how to reduce bugs due to incorrect indentation Asaf Las <roegltd@gmail.com> - 2014-02-05 21:23 -0800
  Re: how to reduce bugs due to incorrect indentation Terry Reedy <tjreedy@udel.edu> - 2014-02-06 03:09 -0500
  Re: how to reduce bugs due to incorrect indentation Grant Edwards <invalid@invalid.invalid> - 2014-02-06 14:49 +0000
    Re: how to reduce bugs due to incorrect indentation msustik@gmail.com - 2014-02-06 10:51 -0800
  Re: how to reduce bugs due to incorrect indentation Roel Schroeven <roel@roelschroeven.net> - 2014-02-06 21:29 +0100
    Re: how to reduce bugs due to incorrect indentation msustik@gmail.com - 2014-02-06 17:20 -0800
      Re: how to reduce bugs due to incorrect indentation Chris Angelico <rosuav@gmail.com> - 2014-02-07 12:57 +1100
      Re: how to reduce bugs due to incorrect indentation Roel Schroeven <roel@roelschroeven.net> - 2014-02-07 23:08 +0100
      Re: how to reduce bugs due to incorrect indentation Jurko Gospodnetić <jurko.gospodnetic@pke.hr> - 2014-02-08 12:11 +0100
  Re: how to reduce bugs due to incorrect indentation Larry Martell <larry.martell@gmail.com> - 2014-02-06 15:36 -0500
  Re: how to reduce bugs due to incorrect indentation Ethan Furman <ethan@stoneleaf.us> - 2014-02-06 13:32 -0800
  Re: how to reduce bugs due to incorrect indentation Larry Martell <larry.martell@gmail.com> - 2014-02-06 17:09 -0500
  Re: how to reduce bugs due to incorrect indentation Chris Angelico <rosuav@gmail.com> - 2014-02-07 09:30 +1100
    Re: how to reduce bugs due to incorrect indentation Asaf Las <roegltd@gmail.com> - 2014-02-06 15:01 -0800
      Re: how to reduce bugs due to incorrect indentation Chris Angelico <rosuav@gmail.com> - 2014-02-07 11:08 +1100
  Re: how to reduce bugs due to incorrect indentation Roel Schroeven <roel@roelschroeven.net> - 2014-02-07 23:06 +0100

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