Fix SchoolPayment date_[start|end] on create

apps/payment/views.py

@@ -106,6 +106,8 @@ class SchoolBuyView(TemplateView):
             school_payment = SchoolPayment.objects.create(
                 user=request.user,
                 weekdays=weekdays,
+                date_start=now().date(),
+                date_end=now().date(),
                 add_days=True,
             )
         else: