From 4f18a39a96eb1193d7dbd35389fd2765efda83ea Mon Sep 17 00:00:00 2001
From: cosmos <pablo.bolivar@onecluster.org>
Date: Thu, 27 Oct 2022 15:28:42 -0500
Subject: [PATCH] Change field contact sale

---
 equipment.py | 1 +
 sale.py      | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/equipment.py b/equipment.py
index 212bcfe..c9a307e 100644
--- a/equipment.py
+++ b/equipment.py
@@ -1,5 +1,6 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
+import datetime
 from collections import defaultdict
 from trytond.pool import Pool
 from trytond.model import (
diff --git a/sale.py b/sale.py
index 6c03337..7380902 100644
--- a/sale.py
+++ b/sale.py
@@ -44,6 +44,10 @@ class Sale(metaclass=PoolMeta):
         'invisible': (Eval('sale_type') != 'maintenance'),
         'readonly': True})
 
+    @classmethod
+    def __setup__(cls):
+        super(Sale, cls).__setup__()
+        cls.contact.states['required']=True
 
     @fields.depends('lines', 'sale_type', 'agended')
     def on_chage_sale_type(self):