On Thu, Feb 6, 2014 at 3:29 PM, Roel Schroeven <r...@roelschroeven.net> wrote: > msus...@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. -- https://mail.python.org/mailman/listinfo/python-list