fix a typo in conf.py
fix a typo in conf.py

chebee7i/dit,chebee7i/dit,dit/dit,Autoplectic/dit,Autoplectic/dit,dit/dit,Autoplectic/dit,dit/dit,Autoplectic/dit,chebee7i/dit,dit/dit,Autoplectic/dit,dit/dit,chebee7i/dit