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 e8f61953ec..eb71449c26 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,16 +2,12 @@
 # this repository contains the full copyright notices and license terms.
 
 from trytond.pool import Pool
+
 from . import routes
 
 __all__ = ['register', 'routes']
 
-from . import carrier
-from . import ir
-from . import party
-from . import product
-from . import sale
-from . import web
+from . import carrier, ir, party, product, sale, web
 
 
 def register():
diff --git a/party.py b/party.py
index eae6594428..f7c0b9a1fc 100644
--- a/party.py
+++ b/party.py
@@ -1,20 +1,21 @@
 # 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 stdnum import get_cc_module
+
 try:
     import phonenumbers
-    from phonenumbers import PhoneNumberFormat, NumberParseException
+    from phonenumbers import NumberParseException, PhoneNumberFormat
 except ImportError:
     phonenumbers = None
 
 from trytond.i18n import gettext
 from trytond.model import fields
-from trytond.pool import PoolMeta, Pool
+from trytond.pool import Pool, PoolMeta
 from trytond.pyson import Eval
 from trytond.tools import remove_forbidden_chars
 
 from .exceptions import BadRequest
-from .web import split_name, join_name
+from .web import join_name, split_name
 
 
 def remove_forbidden_chars(value):
diff --git a/product.py b/product.py
index ea7ee7da47..3d6784db49 100644
--- a/product.py
+++ b/product.py
@@ -4,7 +4,7 @@ import json
 from operator import attrgetter
 
 from trytond.model import fields
-from trytond.pool import PoolMeta, Pool
+from trytond.pool import Pool, PoolMeta
 from trytond.tools import slugify
 
 from .web import ShopVSFIdentifierMixin
diff --git a/sale.py b/sale.py
index 087fe9becb..c95170bf33 100644
--- a/sale.py
+++ b/sale.py
@@ -4,9 +4,8 @@
 from decimal import Decimal
 
 from trytond.i18n import gettext
-from trytond.pool import PoolMeta, Pool
-
 from trytond.modules.account.tax import TaxableMixin
+from trytond.pool import Pool, PoolMeta
 
 from .exceptions import BadRequest
 from .web import split_name
diff --git a/setup.py b/setup.py
index 89c0a7e429..7539190a00 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, slice=None):
diff --git a/tests/__init__.py b/tests/__init__.py
index ddb598e785..338497f514 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.web_shop_vue_storefront.tests.test_web_shop_vue_storefront import suite  # noqa: E501
+    from trytond.modules.web_shop_vue_storefront.tests.test_web_shop_vue_storefront import \
+        suite  # noqa: E501
 except ImportError:
     from .test_web_shop_vue_storefront import suite
 
diff --git a/tests/test_web_shop_vue_storefront.py b/tests/test_web_shop_vue_storefront.py
index 08c79080e3..08fced3e3a 100644
--- a/tests/test_web_shop_vue_storefront.py
+++ b/tests/test_web_shop_vue_storefront.py
@@ -1,22 +1,23 @@
 # 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 unittest
 from contextlib import contextmanager
 from decimal import Decimal
-
-from unittest.mock import patch, ANY
+from unittest.mock import ANY, patch
 
 from werkzeug.exceptions import Unauthorized
 
-from trytond.pool import Pool
-from trytond.tests.test_tryton import doctest_teardown, doctest_checker
-from trytond.tests.test_tryton import ModuleTestCase, with_transaction
-from trytond.tests.test_tryton import suite as test_suite
-from trytond.transaction import Transaction
 from trytond.modules.company.tests import (
-    create_company, set_company, CompanyTestMixin)
+    CompanyTestMixin, create_company, set_company)
+from trytond.pool import Pool
+from trytond.tests.test_tryton import (
+    ModuleTestCase, doctest_checker, doctest_teardown)
+from trytond.tests.test_tryton import suite as test_suite
+from trytond.tests.test_tryton import with_transaction
+from trytond.transaction import Transaction
+
 from ..exceptions import LoginException
 
 CUSTOMER = {
diff --git a/web.py b/web.py
index 77b0e8f2c4..4d3b73a219 100644
--- a/web.py
+++ b/web.py
@@ -3,15 +3,16 @@
 from functools import wraps
 
 import elasticsearch
-from elasticsearch import Elasticsearch, VERSION as ES_VERSION
+from elasticsearch import VERSION as ES_VERSION
+from elasticsearch import Elasticsearch
 
 from trytond.exceptions import RateLimitException
-from trytond.i18n import lazy_gettext, gettext
+from trytond.i18n import gettext, lazy_gettext
 from trytond.model import ModelSQL, Unique, fields
-from trytond.pool import PoolMeta, Pool
+from trytond.pool import Pool, PoolMeta
 from trytond.pyson import Eval
 
-from .exceptions import LoginException, NotFound, BadRequest
+from .exceptions import BadRequest, LoginException, NotFound
 
 
 def migrate_doc_type(func):