diff --git a/__tryton__.py b/__tryton__.py
index e5c670dfb4..ab6d7b5c68 100644
--- a/__tryton__.py
+++ b/__tryton__.py
@@ -14,7 +14,7 @@
     'website': 'http://www.tryton.org/',
     'description': '''
 ''',
-    'description_ca_ES': '''Afegeix les hores de treball al dia, setmana, mes i 
+    'description_ca_ES': '''Afegeix les hores de treball al dia, setmana, mes i
 any per companyia.
 ''',
     'depends': [
diff --git a/res.py b/res.py
index 5ccef56323..e0950f60b9 100644
--- a/res.py
+++ b/res.py
@@ -7,7 +7,7 @@ class User(ModelSQL, ModelView):
     _name = 'res.user'
 
     def _get_preferences(self, user, context_only=False):
-        res = super(User, self)._get_preferences(user, 
+        res = super(User, self)._get_preferences(user,
             context_only=context_only)
         if user.company:
             res['company_work_time'] = {
diff --git a/tests/test_company_work_time.py b/tests/test_company_work_time.py
index 4b2cc9e503..cea5fc5798 100644
--- a/tests/test_company_work_time.py
+++ b/tests/test_company_work_time.py
@@ -2,7 +2,8 @@
 #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 sys, os
+import sys
+import os
 DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
     '..', '..', '..', '..', '..', 'trytond')))
 if os.path.isdir(DIR):
@@ -33,6 +34,7 @@ class CompanyWorkTimeTestCase(unittest.TestCase):
         '''
         test_depends()
 
+
 def suite():
     suite = trytond.tests.test_tryton.suite()
     suite.addTests(unittest.TestLoader().loadTestsFromTestCase(