diff --git a/CHANGELOG b/CHANGELOG
index 8b13789..d7b2b9a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1 +1,3 @@
+Version 3.4.0 - 2014-11-05
+
 
diff --git a/__init__.py b/__init__.py
index 9834813..4abe1ca 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,6 +1,6 @@
-#This file is part internetdomain_invoice_standalone module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains 
-#the full copyright notices and license terms.
+# This file is part internetdomain_invoice_standalone module for Tryton.
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
 
 from trytond.pool import Pool
 from .internetdomain import *
diff --git a/internetdomain.py b/internetdomain.py
index 3ae31e3..fbef625 100644
--- a/internetdomain.py
+++ b/internetdomain.py
@@ -1,6 +1,6 @@
-#This file is part internetdomain_invoice_standalone module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains
-#the full copyright notices and license terms.
+# This file is part internetdomain_invoice_standalone module for Tryton.
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
 from trytond.model import fields
 from trytond.transaction import Transaction
 from trytond.pool import Pool, PoolMeta
diff --git a/invoice.py b/invoice.py
index e9a0bb5..6e56701 100644
--- a/invoice.py
+++ b/invoice.py
@@ -1,6 +1,6 @@
-#This file is part account_invoice_cancel module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains
-#the full copyright notices and license terms.
+# This file is part account_invoice_cancel module for Tryton.
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
 from trytond.pool import Pool, PoolMeta
 
 __all__ = ['InvoiceLine']
diff --git a/setup.py b/setup.py
index b7aa23f..7627aba 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
-#This file is part internetdomain_invoice_standalone module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains
-#the full copyright notices and license terms.
+# This file is part internetdomain_invoice_standalone module for Tryton.
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
 from setuptools import setup
 import re
 import os
diff --git a/tests/__init__.py b/tests/__init__.py
index 4ace826..eaa6daf 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,6 +1,6 @@
-#This file is part internetdomain_invoice_standalone module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains 
-#the full copyright notices and license terms.
+# This file is part internetdomain_invoice_standalone module for Tryton.
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
 
 from .test_internetdomain_invoice_standalone import suite
 
diff --git a/tests/test_internetdomain_invoice_standalone.py b/tests/test_internetdomain_invoice_standalone.py
index 4baef28..465c135 100644
--- a/tests/test_internetdomain_invoice_standalone.py
+++ b/tests/test_internetdomain_invoice_standalone.py
@@ -1,38 +1,24 @@
 #!/usr/bin/env python
-#This file is part internetdomain_invoice_standalone module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains 
-#the full copyright notices and license terms.
-
-import sys
-import os
-DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
-    '..', '..', '..', '..', '..', 'trytond')))
-if os.path.isdir(DIR):
-    sys.path.insert(0, os.path.dirname(DIR))
-
+# This file is part internetdomain_invoice_standalone module for Tryton.
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
 import unittest
 import trytond.tests.test_tryton
 from trytond.tests.test_tryton import test_view, test_depends
 
 
 class InternentdomainInvoiceStandaloneTestCase(unittest.TestCase):
-    '''
-    Test Internetdomain Invoice Standalone module.
-    '''
+    'Test Internetdomain Invoice Standalone module'
 
     def setUp(self):
         trytond.tests.test_tryton.install_module('internetdomain_invoice_standalone')
 
     def test0005views(self):
-        '''
-        Test views.
-        '''
+        'Test views'
         test_view('internetdomain_invoice_standalone')
 
     def test0006depends(self):
-        '''
-        Test depends.
-        '''
+        'Test depends'
         test_depends()
 
 def suite():