Minor fix

restaurant.py

@@ -21,11 +21,12 @@ class SaleShopTable(ModelSQL, ModelView):
     name = fields.Char('Table Name', required=True, select=True)
     active = fields.Boolean('Active', select=True)
     capacity = fields.Integer('Capacity', required=True, select=True)
+    sale = fields.Many2One('sale.sale', 'Sale')
     state = fields.Selection([
-                ('available', 'Available'),
-                ('occupied', 'Occupied'),
-                ('reserved', 'Reserved')
-            ], 'State', states={'readonly': False}
+            ('available', 'Available'),
+            ('occupied', 'Occupied'),
+            ('reserved', 'Reserved')
+        ], 'State', states={'readonly': False}
     )
 
     @staticmethod

view/sale_shop_table_form.xml

@@ -8,6 +8,8 @@ The COPYRIGHT file at the top level of this repository contains the full copyrig
     <field name="active"/>
     <label name="capacity"/>
     <field name="capacity"/>
+    <label name="sale"/>
+    <field name="sale"/>
     <label name="state"/>
     <field name="state"/>
 </form>

view/sale_shop_table_tree.xml

@@ -4,6 +4,7 @@ The COPYRIGHT file at the top level of this repository contains the full copyrig
 <tree editable="bottom">
     <field name="name"/>
     <field name="capacity"/>
+    <field name="sale"/>
     <field name="state"/>
     <field name="active" tree_invisible="1"/>
 </tree>