replace Jedi for pyvenv

https://github.com/jorgenschaefer/pyvenv

README.md

@@ -51,8 +51,16 @@ Neotree comes by default in combination with all-the-icons.
 So pressing `[f8]` will display (you must give "yes") a one-time screen to install all-the-icons fonts.
 
 ### Mode Python
-- Require installed virtualenv, example:
+- Require installed virtualenv:
 
-  `pacman -S python-virtualenv`
+        pacman -S python-virtualenv
 
-  `M-x jedi:install-server [RET]`
+- Enable or disable pyvenv-mode: <kdb>M-x</kdb> pyvenv-mode
+
+- To create virtualenv from emacs:
+
+        pyvenv-create
+
+- To activate virtualenv from emacs:
+
+        pyvenv-activate