diff --git a/python/dumux/__init__.py b/python/dumux/__init__.py
index de40ea7ca058e07a399acf61529d418c07eeee61..5284146ebf2bc6a26f50fefbe5ebb91a3ba91448 100644
--- a/python/dumux/__init__.py
+++ b/python/dumux/__init__.py
@@ -1 +1 @@
-__import__('pkg_resources').declare_namespace(__name__)
+__import__("pkg_resources").declare_namespace(__name__)
diff --git a/python/setup.py.in b/python/setup.py.in
index b59c513c242be131aa68204d3bd85c45016279cd..970d78de29b51be6fba1af93e6b12acec5f4f350 100644
--- a/python/setup.py.in
+++ b/python/setup.py.in
@@ -1,12 +1,13 @@
 from setuptools import setup, find_namespace_packages
 
-setup(name="${ProjectName}",
-      description="${ProjectDescription}",
-      version="${ProjectVersionString}",
-      author="${ProjectAuthor}",
-      author_email="${ProjectMaintainerEmail}",
-      packages = find_namespace_packages(include=['dumux.*']),
-      zip_safe = 0,
-      package_data = {'': ['*.so']},
-      install_requires = "${ProjectPythonRequires}".split(' ')
+setup(
+    name="${ProjectName}",
+    description="${ProjectDescription}",
+    version="${ProjectVersionString}",
+    author="${ProjectAuthor}",
+    author_email="${ProjectMaintainerEmail}",
+    packages=find_namespace_packages(include=["dumux.*"]),
+    zip_safe=0,
+    package_data={"": ["*.so"]},
+    install_requires="${ProjectPythonRequires}".split(" "),
 )