I just switched from Sublime Text to Atom in order to turn completely open source.
I have trouble with something very very simple: I want Atom to use always (!) and
This is what worked for me.
~/.atom/config.cson, and append this (same level than the "*" element):
".python.source":
editor:
autoIndent: true
tabLength: 2
I got this help from someone else. Not my own discovery. However, for confidentiality, I cannot cite the source.