diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..f96172b
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,12 @@
+[flake8]
+# Use black line length:
+max-line-length = 88
+extend-ignore =
+    # See https://github.com/PyCQA/pycodestyle/issues/373
+    E203, E266
+
+[isort]
+profile = black
+multi_line_output = 3
+known_mobase = mobase
+sections=FUTURE,STDLIB,THIRDPARTY,MOBASE,FIRSTPARTY,LOCALFOLDER
diff --git a/tests/python/test_argument_wrapper.py b/tests/python/test_argument_wrapper.py
index 37868e5..e474996 100644
--- a/tests/python/test_argument_wrapper.py
+++ b/tests/python/test_argument_wrapper.py
@@ -1,6 +1,7 @@
-import mobase
 import pytest
 
+import mobase
+
 m = pytest.importorskip("mobase_tests.argument_wrapper")
 
 
diff --git a/tests/python/test_filetree.py b/tests/python/test_filetree.py
index 8248bf9..ccd6fc9 100644
--- a/tests/python/test_filetree.py
+++ b/tests/python/test_filetree.py
@@ -1,6 +1,7 @@
-import mobase
 import pytest
 
+import mobase
+
 m = pytest.importorskip("mobase_tests.filetree")
 
 
diff --git a/tests/python/test_functional.py b/tests/python/test_functional.py
index a5cb30a..39fa4cb 100644
--- a/tests/python/test_functional.py
+++ b/tests/python/test_functional.py
@@ -1,11 +1,11 @@
-import mobase
 import pytest
 
+import mobase
+
 m = pytest.importorskip("mobase_tests.functional")
 
 
 def test_guessed_string():
-
     # available functions:
     # - fn_0_arg, fn_1_arg, fn_2_arg
     # - fn_0_or_1_arg, fn_1_or_2_or_3_arg
diff --git a/tests/python/test_guessed_string.py b/tests/python/test_guessed_string.py
index 3f335f2..ad04932 100644
--- a/tests/python/test_guessed_string.py
+++ b/tests/python/test_guessed_string.py
@@ -1,11 +1,11 @@
-import mobase
 import pytest
 
+import mobase
+
 m = pytest.importorskip("mobase_tests.guessed_string")
 
 
 def test_guessed_string():
-
     # empty string
     gs = mobase.GuessedString()
 
diff --git a/tests/python/test_path_wrappers.py b/tests/python/test_path_wrappers.py
index 1975656..ee65297 100644
--- a/tests/python/test_path_wrappers.py
+++ b/tests/python/test_path_wrappers.py
@@ -1,13 +1,13 @@
 import sys
 from pathlib import Path
 
-import mobase
 import pytest
 from PyQt6.QtCore import QDir, QFileInfo
 
+import mobase
+
 
 def test_filepath_wrappers():
-
     # TBC that this works everywhere
     version = ".".join(map(str, sys.version_info[:3]))
 
diff --git a/tests/python/test_qt.py b/tests/python/test_qt.py
index 004267b..cb35db5 100644
--- a/tests/python/test_qt.py
+++ b/tests/python/test_qt.py
@@ -50,7 +50,6 @@ def test_qdatetime():
 
 
 def test_qvariant():
-
     # Python -> C++
 
     assert m.qvariant_from_none(None) == (True, False)
diff --git a/tests/runner/plugins/dummy-game.py b/tests/runner/plugins/dummy-game.py
index b11e060..d4fe0bb 100644
--- a/tests/runner/plugins/dummy-game.py
+++ b/tests/runner/plugins/dummy-game.py
@@ -1,8 +1,9 @@
 # -*- encoding: utf-8 -*-
 
-import mobase
 from PyQt6.QtWidgets import QWidget
 
+import mobase
+
 
 class DummyModDataChecker(mobase.ModDataChecker):
     def dataLooksValid(
@@ -26,7 +27,6 @@ class DummySaveGameInfo(mobase.SaveGameInfo):
 # from the C++ side
 #
 class DummyGame(mobase.IPluginGame):
-
     _features: dict[type, object]
 
     def __init__(self):