Applications/Postgres.app/Contents/Versions/9.5/bin/initdb /Applications/Postgres.app/Contents/Versions/9.5/share/doc/postgresql/html/app-initdb.html /Applications/Postgres.app/Contents/Versions/9.5/share/man/man1/initdb.1
Sudo /usr/libexec/locate.updatedb And it looks like it is initiating database from the right directory.
(I downloaded Postgres by downloading Postgres.app Desktop app and I installed Django by doing pip install Django) I downgraded Postgres.app from 9.6 to 9.5 by removing the Postgres.app desktop app.