--- a/.emacs-my	Sat Oct 21 18:27:41 2017 +0300
+++ b/.emacs-my	Sun Oct 22 03:06:32 2017 +0300
@@ -2960,6 +2960,8 @@
 (eval-when 'compile
   (require 'python))
 
+(setq python-shell-interpreter "python3")
+
 (setq python-indent-offset 4)
 
 (defvar my-python/eldoc-setup-code