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/currency.py b/currency.py
index 69d39102a6..8cd0159918 100644
--- a/currency.py
+++ b/currency.py
@@ -7,11 +7,10 @@ import requests
 from lxml import etree
 
 from trytond.config import config
+from trytond.modules.currency.currency import CronFetchError
 from trytond.pool import PoolMeta
 from trytond.pyson import Eval, If
 
-from trytond.modules.currency.currency import CronFetchError
-
 URL_10DAYS = 'https://bnr.ro/nbrfxrates10days.xml'
 URL_YEAR = 'https://bnr.ro/files/xml/years/nbrfxrates%s.xml'
 TIMEOUT = config.getfloat('currency_ro', 'requests_timeout', default=300)
diff --git a/setup.py b/setup.py
index 965074f1d7..9a2abb4481 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 d320b95908..43af7a3216 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.currency_ro.tests.test_currency_ro import suite  # noqa: E501
+    from trytond.modules.currency_ro.tests.test_currency_ro import \
+        suite  # noqa: E501
 except ImportError:
     from .test_currency_ro import suite
 
diff --git a/tests/test_currency_ro.py b/tests/test_currency_ro.py
index d256cc6b56..f49707420c 100644
--- a/tests/test_currency_ro.py
+++ b/tests/test_currency_ro.py
@@ -5,10 +5,9 @@
 import doctest
 import unittest
 
-from trytond.tests.test_tryton import ModuleTestCase
+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 doctest_teardown
-from trytond.tests.test_tryton import doctest_checker
 
 
 class CurrencyRoTestCase(ModuleTestCase):