diff --git a/__tryton__.py b/__tryton__.py
index ab2dcb5401..9a7452a7bc 100644
--- a/__tryton__.py
+++ b/__tryton__.py
@@ -1,15 +1,15 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 {
-    "name" : "Stock Supply with Week Days",
-    "name_bg_BG" : "Доставка на налиност с дни от седмицата",
-    'name_ca_ES' : 'Estoc per dies de la setmana',
-    "name_de_DE" : "Lagerverwaltung Bestellwesen nach Wochentagen",
-    "name_es_CO" : "Existencias por días de la semana",
-    "name_es_ES" : "Suministro de existencias por días de la semana",
-    "name_fr_FR" : "Approvisionnement par jours de semaine",
-    "version" : "2.3.0",
-    "author" : "B2CK",
+    "name": "Stock Supply with Week Days",
+    "name_bg_BG": "Доставка на налиност с дни от седмицата",
+    'name_ca_ES': 'Estoc per dies de la setmana',
+    "name_de_DE": "Lagerverwaltung Bestellwesen nach Wochentagen",
+    "name_es_CO": "Existencias por días de la semana",
+    "name_es_ES": "Suministro de existencias por días de la semana",
+    "name_fr_FR": "Approvisionnement par jours de semaine",
+    "version": "2.3.0",
+    "author": "B2CK",
     'email': 'info@b2ck.com',
     'website': 'http://www.tryton.org/',
     "description": '''Define the delivery days of the week by suppliers.
@@ -18,7 +18,7 @@ Impact supply dates computations.
     "description_bg_BG": '''Задаване на дните за доставка в седмицата по доставчици
     - Оказва влияние върху изчисляването на датите
  ''',
-    'description_ca_ES': '''Defineix els dies de la setmana d'entrega dels 
+    'description_ca_ES': '''Defineix els dies de la setmana d'entrega dels
 proveïdors. Afecta el càlcul de dates de subministre.
 ''',
     "description_de_DE": '''Bestellwesen nach Wochentagen
@@ -34,11 +34,11 @@ Afecta al cálculo de las fechas de suministro.
     "description_fr_FR": '''Défini les jours de livraisons par fournisseurs.
 Impacte les calculs de dates de livraisons.
  ''',
-    "depends" : [
+    "depends": [
         "ir",
         "purchase",
     ],
-    "xml" : [
+    "xml": [
         "purchase.xml",
     ],
     'translation': [
diff --git a/purchase.py b/purchase.py
index 907cca481a..b80811582b 100644
--- a/purchase.py
+++ b/purchase.py
@@ -6,8 +6,8 @@ from trytond.model import ModelView, ModelSQL, fields
 
 class ProductSupplier(ModelSQL, ModelView):
     _name = 'purchase.product_supplier'
-    weekdays = fields.One2Many('purchase.product_supplier.day', 'product_supplier',
-            'Week Days')
+    weekdays = fields.One2Many('purchase.product_supplier.day',
+        'product_supplier', 'Week Days')
 
     def compute_supply_date(self, product_supplier, date=None):
         date = super(ProductSupplier, self).compute_supply_date(
diff --git a/tests/test_stock_supply_day.py b/tests/test_stock_supply_day.py
index b73052db39..06015a1255 100644
--- a/tests/test_stock_supply_day.py
+++ b/tests/test_stock_supply_day.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):