How to fix Python indentation

Question

I have some Python code that have inconsistent indentation. There is a lot of mixture of tabs and spaces to make the matter even worse, and even space indentation is not pre

Answer 1

On most UNIX-like systems, you can also run:

expand -t4 oldfilename.py > newfilename.py

from the command line, changing the number if you want to replace tabs with a number of spaces other than 4. You can easily write a shell script to do this with a bunch of files at once, retaining the original file names.