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 beed54fb6e..7a82f2dd25 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,6 +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 Pool
+
 from . import price_list
 from .price_list import Null
 
diff --git a/price_list.py b/price_list.py
index 50ef6735fb..9dd4629550 100644
--- a/price_list.py
+++ b/price_list.py
@@ -6,11 +6,12 @@ from functools import total_ordering
 from simpleeval import simple_eval
 
 from trytond.i18n import gettext
-from trytond.model import ModelView, ModelSQL, MatchMixin, fields, \
-    DeactivableMixin, sequence_ordered
+from trytond.model import (
+    DeactivableMixin, MatchMixin, ModelSQL, ModelView, fields,
+    sequence_ordered)
+from trytond.pool import Pool
 from trytond.tools import decistmt
 from trytond.transaction import Transaction
-from trytond.pool import Pool
 
 from .exceptions import FormulaError
 
diff --git a/setup.py b/setup.py
index cfe21cff4f..7bd0eb2906 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 38c350ab00..32beb877c7 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.product_price_list.tests.test_product_price_list import suite  # noqa: E501
+    from trytond.modules.product_price_list.tests.test_product_price_list import \
+        suite  # noqa: E501
 except ImportError:
     from .test_product_price_list import suite
 
diff --git a/tests/test_product_price_list.py b/tests/test_product_price_list.py
index b7a74e452d..ca94d76d6e 100644
--- a/tests/test_product_price_list.py
+++ b/tests/test_product_price_list.py
@@ -1,13 +1,13 @@
 # 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 unittest
-import trytond.tests.test_tryton
-from trytond.tests.test_tryton import ModuleTestCase, with_transaction
-from trytond.pool import Pool
+from decimal import Decimal
 
+import trytond.tests.test_tryton
 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, with_transaction
 
 
 class ProductPriceListTestCase(CompanyTestMixin, ModuleTestCase):