Add missing reset caches on create and delete of group for issue1868

trytond/res/group.py

@@ -23,6 +23,16 @@ class Group(ModelSQL, ModelView):
             ('name_uniq', 'unique (name)', 'The name of the group must be unique!')
         ]
 
+    def create(self, vals):
+        res = super(Group, self).create(vals)
+        # Restart the cache on the domain_get method
+        self.pool.get('ir.rule').domain_get.reset()
+        # Restart the cache for get_groups
+        self.pool.get('res.user').get_groups.reset()
+        # Restart the cache for get_preferences
+        self.pool.get('res.user').get_preferences.reset()
+        return res
+
     def write(self, ids, vals):
         res = super(Group, self).write(ids, vals)
         # Restart the cache on the domain_get method
@@ -33,4 +43,14 @@ class Group(ModelSQL, ModelView):
         self.pool.get('res.user').get_preferences.reset()
         return res
 
+    def delete(self, ids):
+        res = super(Group, self).delete(ids)
+        # Restart the cache on the domain_get method
+        self.pool.get('ir.rule').domain_get.reset()
+        # Restart the cache for get_groups
+        self.pool.get('res.user').get_groups.reset()
+        # Restart the cache for get_preferences
+        self.pool.get('res.user').get_preferences.reset()
+        return res
+
 Group()