[python][black] Apply formatting

python/dumux/__init__.py

-__import__('pkg_resources').declare_namespace(__name__)
+__import__("pkg_resources").declare_namespace(__name__)

python/setup.py.in

 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(" "),
 )