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 d35e2ef32f..38aa3a9238 100644
--- a/__init__.py
+++ b/__init__.py
@@ -3,9 +3,7 @@
 
 from trytond.pool import Pool
 
-from . import party
-from . import company
-from . import res
+from . import company, party, res
 
 __all__ = ['register']
 
diff --git a/setup.py b/setup.py
index 8a64ad4d92..c83d958ba7 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 1b563a6bf3..6552b53fcf 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.party_avatar.tests.test_party_avatar import suite  # noqa: E501
+    from trytond.modules.party_avatar.tests.test_party_avatar import \
+        suite  # noqa: E501
 except ImportError:
     from .test_party_avatar import suite
 
diff --git a/tests/test_party_avatar.py b/tests/test_party_avatar.py
index c3ffc62ab8..18ba8bff95 100644
--- a/tests/test_party_avatar.py
+++ b/tests/test_party_avatar.py
@@ -3,11 +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 PartyAvatarTestCase(CompanyTestMixin, ModuleTestCase):
     'Test Party Avatar module'