Fix most flake8 errors

review8771002

__init__.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of 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 .sale import *

configuration.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
 from trytond.model import ModelView, ModelSQL, ModelSingleton, fields
 from trytond.pyson import Eval, Bool
 

invoice.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
 from functools import wraps
 from sql import Table
 

product.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# 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 datetime
 
 from trytond.model import fields

sale.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
 from decimal import Decimal
 from itertools import groupby, chain
 from functools import partial
@@ -92,8 +92,8 @@ class Sale(Workflow, ModelSQL, ModelView):
         depends=['state'])
     currency = fields.Many2One('currency.currency', 'Currency', required=True,
         states={
-            'readonly': (Eval('state') != 'draft') |
-                (Eval('lines', [0]) & Eval('currency', 0)),
+            'readonly': ((Eval('state') != 'draft')
+                | (Eval('lines', [0]) & Eval('currency', 0))),
             },
         depends=['state'])
     currency_digits = fields.Function(fields.Integer('Currency Digits'),
@@ -1592,7 +1592,7 @@ class HandleInvoiceExceptionAsk(ModelView):
         domain=[('id', 'in', Eval('domain_invoices'))],
         depends=['domain_invoices'],
         help='The selected invoices will be recreated. '
-            'The other ones will be ignored.')
+        'The other ones will be ignored.')
     domain_invoices = fields.Many2Many(
         'account.invoice', None, None, 'Domain Invoices')
 

setup.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of 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

stock.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
 from sql import Null
 from sql.operators import Concat
 
@@ -19,9 +19,9 @@ class ShipmentOut:
     def __setup__(cls):
         super(ShipmentOut, cls).__setup__()
         cls._error_messages.update({
-                'reset_move': 'You cannot reset to draft a move generated '
-                    'by a sale.',
-            })
+                'reset_move': ('You cannot reset to draft a move generated '
+                    'by a sale.'),
+                })
 
     @classmethod
     def write(cls, *args):
@@ -69,9 +69,9 @@ class ShipmentOutReturn:
     def __setup__(cls):
         super(ShipmentOutReturn, cls).__setup__()
         cls._error_messages.update({
-                'reset_move': 'You cannot reset to draft a move generated '
-                    'by a sale.',
-            })
+                'reset_move': ('You cannot reset to draft a move generated '
+                    'by a sale.'),
+                })
 
     @classmethod
     def write(cls, *args):

tests/__init__.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
 
 from .test_sale import suite
 

tests/test_sale.py

@@ -1,5 +1,5 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
+# 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 unittest
 import doctest
 import trytond.tests.test_tryton