diff --git a/res_partner_company_messages/__init__.py b/res_partner_company_messages/__init__.py
index bff786c..a0fdc10 100644
--- a/res_partner_company_messages/__init__.py
+++ b/res_partner_company_messages/__init__.py
@@ -1 +1,2 @@
-import models
+# -*- coding: utf-8 -*-
+from . import models
diff --git a/res_partner_company_messages/__openerp__.py b/res_partner_company_messages/__openerp__.py
index f675f2c..c1d7c43 100644
--- a/res_partner_company_messages/__openerp__.py
+++ b/res_partner_company_messages/__openerp__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 {
     'name': "Aggregate messages from company's contacts",
     'version': '1.0.0',
@@ -9,6 +10,6 @@
     'depends': ['mail'],
     'data': [
         'views.xml',
-        ],
+    ],
     'installable': True
 }
diff --git a/res_partner_company_messages/models.py b/res_partner_company_messages/models.py
index 5903a99..9d107fd 100644
--- a/res_partner_company_messages/models.py
+++ b/res_partner_company_messages/models.py
@@ -1,15 +1,18 @@
-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'
 
     @api.cr_uid_context
     def message_read(self, cr, uid, ids=None, domain=None, message_unload_ids=None,
-                        thread_level=0, context=None, parent_id=False, limit=None):
+                     thread_level=0, context=None, parent_id=False, limit=None):
         if context and context.get('default_model') == 'res.partner':
             partner = self.pool['res.partner'].browse(cr, uid, context.get('default_res_id'))
             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)