Fic decimal type for donation and discount

aleksis/apps/paweljong/models.py

@@ -322,7 +322,7 @@ class EventRegistration(ExtensibleModel):
             yield PurchasedItem(
                 name=_("Social Sponsoring / Extra Donation"),
                 quantity=1,
-                price=self.donation,
+                price=Decimal(self.donation),
                 currency="EUR",
                 sku="DONAT",
                 tax_rate=0,
@@ -333,7 +333,7 @@ class EventRegistration(ExtensibleModel):
             yield PurchasedItem(
                 name=_("Voucher / Granted discount"),
                 quantity=1,
-                price=-1 * self.voucher.discount * (self.event.cost / 1.07) / 100,
+                price=Decimal(-1 * self.voucher.discount * (self.event.cost / 1.07) / 100),
                 currency="EUR",
                 sku="DISCO",
                 tax_rate=7,