Integer, Numeric and Float allow None as value

NULL value is None and not False

issue2022
review237004

tests/scenario_sale_shipment_cost.rst

@@ -137,6 +137,7 @@ Create product::
     >>> product.default_uom = unit
     >>> product.type = 'goods'
     >>> product.salable = True
+    >>> product.delivery_time = 0
     >>> product.list_price = Decimal('20')
     >>> product.cost_price = Decimal('8')
     >>> product.account_revenue = revenue
@@ -147,7 +148,9 @@ Create product::
     >>> carrier_product.default_uom = unit
     >>> carrier_product.type = 'service'
     >>> carrier_product.salable = True
+    >>> carrier_product.delivery_time = 0
     >>> carrier_product.list_price = Decimal('3')
+    >>> carrier_product.cost_price = Decimal(0)
     >>> carrier_product.account_revenue = revenue
     >>> carrier_product.save()
 
@@ -164,7 +167,7 @@ Create payment term::
     >>> PaymentTerm = Model.get('account.invoice.payment_term')
     >>> PaymentTermLine = Model.get('account.invoice.payment_term.line')
     >>> payment_term = PaymentTerm(name='Direct')
-    >>> payment_term_line = PaymentTermLine(type='remainder')
+    >>> payment_term_line = PaymentTermLine(type='remainder', days=0)
     >>> payment_term.lines.append(payment_term_line)
     >>> payment_term.save()