corrections distance/arguments de fonctions

individu.py

@@ -39,7 +39,7 @@ class Individu():
 
         self.score = 1/max(list_distance)
 
-        return 1/distance
+        return 1/max(list_distance)
 
 
     def mutation(self, proba = P1):

population.py

@@ -15,7 +15,10 @@ class Population:
         self.indiv = liste_individus
         return self
 
-    def selection_p_best(self,p=self.n//2):
+    def selection_p_best(self,p=None):
+        if p==None:
+            p=(self.n)//2
+            
         def tri_rapide_aux(tableau,debut,fin):
             if debut < fin-1:
                 positionPivot=partitionner(tableau,debut,fin)