[pricelist] fixed set volumes

flaschengeist/plugins/pricelist/pricelist_controller.py

@@ -135,7 +135,10 @@ def set_volume(identifier, data):
     if "id" in data:
         data.pop("id")
     values = {key: value for key, value in data.items() if key in allowed_keys}
-
+    if "prices" in values:
+        prices = values.pop("prices")
+    if "ingredients" in values:
+        ingredients = values.pop("ingredients")
     volume = DrinkPriceVolume(**values)
     drink = get_drink(identifier)
     if not drink: