vedang/emacs-config — comment on commit f19effbc3461779df2c7931802f06acb57a3c722
File:  line 0
By cdkamat:

I assumed you had bound TAB to auto-complete instead of smart-tab. Auto-complete works well enough with yas. You to need to get used to the dropdown a bit been using it for 2 months now in all my projects. Configuring it for all modes is a bit of a pain though.