Fix lint errors

res_partner_company_messages/__init__.py

@@ -1 +1,2 @@
-import models
+# -*- coding: utf-8 -*-
+from . import models

res_partner_company_messages/__openerp__.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 {
     'name': "Aggregate messages from company's contacts",
     'version': '1.0.0',

res_partner_company_messages/models.py

@@ -1,4 +1,7 @@
-from openerp import api, models, fields, SUPERUSER_ID
+# -*- coding: utf-8 -*-
+from openerp import api
+from openerp import models
+
 
 class mail_message(models.Model):
     _inherit = 'mail.message'
@@ -11,5 +14,5 @@ class mail_message(models.Model):
             domain_by_id = domain and len(domain) == 1 and domain[0][0] == 'id' and domain[0][1] == '='
             if partner.is_company and not domain_by_id:
                 ids = None
-                domain = [('model', '=', 'res.partner'), ('res_id', 'in', [partner.id]+partner.child_ids.ids)]
+                domain = [('model', '=', 'res.partner'), ('res_id', 'in', [partner.id] + partner.child_ids.ids)]
         return super(mail_message, self).message_read(cr, uid, ids, domain, message_unload_ids, thread_level, context, parent_id, limit)