diff --git a/miniprojet.py b/miniprojet.py
index 3ced35e..34e0ba4 100644
--- a/miniprojet.py
+++ b/miniprojet.py
@@ -1,3 +1,4 @@
+import tkinter as tk
 from random import randint
 class Personnage:
     def __init__ (self, nom, cat):
@@ -39,13 +40,12 @@ class Personnage:
         return self.exp * self.coefdef + defdé
     
     def change_pdv(self):
-        nb_pdv = 10
-        self.pdv = self.pdv + nb_pdv
+        self.pdv += nb_pdv
         return self.pdv
         
     def change_exp(self):
         nb_exp = 1
-        self.exp = self.exp + nb_exp
+        self.exp += nb_exp
         return self.exp
         
     def affiche_caracteristiques(self):