add model address

address.py

@@ -0,0 +1,9 @@
+from trytond.pool import PoolMeta
+from trytond.model import fields
+
+
+class Address(metaclass=PoolMeta):
+    __name__ = 'party.address'
+
+    campus = fields.Boolean("Campus")
+    party_related = fields.One2Many('party.party', "Party related")

address.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+     this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <record model="ir.ui.view" id="address_view_form">
+            <field name="model">party.address</field>
+            <field name="inherit" ref="party.address_view_form"/>
+            <field name="name">address_form</field>
+    </record>
+</tryton>