diff --git a/.isort.cfg b/.isort.cfg
new file mode 100644
index 0000000000..e1c6495da9
--- /dev/null
+++ b/.isort.cfg
@@ -0,0 +1,3 @@
+[settings]
+multi_line_output=4
+known_first_party=trytond
diff --git a/__init__.py b/__init__.py
index 5702d2f134..78cc886d51 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,10 +2,8 @@
 # this repository contains the full copyright notices and license terms.
 
 from trytond.pool import Pool
-from . import account
-from . import party
-from . import edocument
-from . import ir
+
+from . import account, edocument, ir, party
 
 __all__ = ['register']
 
diff --git a/account.py b/account.py
index c6150b869c..db55001721 100644
--- a/account.py
+++ b/account.py
@@ -6,15 +6,14 @@ import logging
 
 import requests
 
-from trytond.i18n import gettext
 from trytond.config import config
+from trytond.i18n import gettext
 from trytond.model import ModelSQL, ModelView, Unique, fields
 from trytond.model.exceptions import AccessError
-from trytond.pool import PoolMeta, Pool
-from trytond.pyson import Eval, Bool, If
-from trytond.transaction import Transaction
-
 from trytond.modules.company.model import CompanyValueMixin
+from trytond.pool import Pool, PoolMeta
+from trytond.pyson import Bool, Eval, If
+from trytond.transaction import Transaction
 
 from .exceptions import InvoiceChorusValidationError
 
diff --git a/party.py b/party.py
index 19a98c1f19..63a80dec61 100644
--- a/party.py
+++ b/party.py
@@ -1,7 +1,7 @@
 # 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 PoolMeta
 from trytond.model import fields
+from trytond.pool import PoolMeta
 
 
 class Party(metaclass=PoolMeta):
diff --git a/setup.py b/setup.py
index 974952850c..2bb1faef69 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,8 @@ import io
 import os
 import re
 from configparser import ConfigParser
-from setuptools import setup, find_packages
+
+from setuptools import find_packages, setup
 
 
 def read(fname):
diff --git a/tests/__init__.py b/tests/__init__.py
index f0cb4b6b5b..928a1a3852 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -2,7 +2,8 @@
 # this repository contains the full copyright notices and license terms.
 
 try:
-    from trytond.modules.account_fr_chorus.tests.test_account_fr_chorus import suite  # noqa: E501
+    from trytond.modules.account_fr_chorus.tests.test_account_fr_chorus import \
+        suite  # noqa: E501
 except ImportError:
     from .test_account_fr_chorus import suite
 
diff --git a/tests/test_account_fr_chorus.py b/tests/test_account_fr_chorus.py
index 973a77c21f..2921d43867 100644
--- a/tests/test_account_fr_chorus.py
+++ b/tests/test_account_fr_chorus.py
@@ -3,12 +3,10 @@
 
 import unittest
 
-
+from trytond.modules.company.tests import CompanyTestMixin
 from trytond.tests.test_tryton import ModuleTestCase
 from trytond.tests.test_tryton import suite as test_suite
 
-from trytond.modules.company.tests import CompanyTestMixin
-
 
 class AccountFrChorusTestCase(CompanyTestMixin, ModuleTestCase):
     'Test Account Fr Chorus module'