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 .account import *

account.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
 import copy
 from sql import Column
@@ -399,7 +399,7 @@ class AccountSelection(ModelSQL, ModelView):
             if Transaction().user:  # Root can by pass
                 for account in root_accounts:
                     if account.mandatory:
-                        if not account.id in roots:
+                        if account.id not in roots:
                             cls.raise_user_error('root_account',
                                 (account.rec_name,))
 

line.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 trytond.model import ModelView, ModelSQL, fields
 from trytond.wizard import Wizard, StateAction
@@ -26,7 +26,7 @@ class Line(ModelSQL, ModelView):
     company = fields.Function(fields.Many2One('company.company', 'Company'),
         'on_change_with_company')
     account = fields.Many2One('analytic_account.account', 'Account',
-            required=True, select=True, domain=[
+        required=True, select=True, domain=[
             ('type', '!=', 'view'),
             ['OR',
                 ('company', '=', None),

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

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_analytic_account import suite
 

tests/test_analytic_account.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
 from decimal import Decimal
 import trytond.tests.test_tryton