fix: empty listCadeau + can have yourself for the gift

app.py

@@ -8,18 +8,18 @@ app = Flask(__name__)
 listCadeau = {}
 
 def genCadeau():
+    global listCadeau
     tmp = list(myconfig.listGens.keys())
     for g in myconfig.listGens.keys():
-        a, b = random.choices(tmp, k=2)
-        if a == g:
-            listCadeau[g] = b
-            tmp.remove(b)
-        else:
-            listCadeau[g] = a
-            tmp.remove(a)
+        pc = [v for v in tmp if v != g]
+        a = random.choice(pc)
+        listCadeau[g] = a
+        tmp.remove(a)
 
 @app.route('/')
 def hello():
+    if not listCadeau:
+        genCadeau()
     return render_template("index.html")
 
 @app.route('/code')