This is a company-backend for emacs-jedi.  Add this backend to the
 `company-backends' and enjoy the power.
 e.g.
 ;; Basic usage.
 (add-to-list 'company-backends 'company-jedi)
 ;; Advanced usage.
 (add-to-list 'company-backends '(company-jedi company-files))

 Check https://github.com/company-mode/company-mode for details.