diff --git a/docs/source/conf.py b/docs/source/conf.py
index f8958ad..9f1d964 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -4,6 +4,7 @@
 documentation: https://www.sphinx-doc.org/en/master/usage/configuration.html
 
 """
+
 # -- Project information -----------------------------------------------------
 from __future__ import annotations
 
diff --git a/hooks/post_gen_project.py b/hooks/post_gen_project.py
index efe9511..3294337 100644
--- a/hooks/post_gen_project.py
+++ b/hooks/post_gen_project.py
@@ -1,4 +1,5 @@
 """This module contains hooks which are executed after the template is rendered."""
+
 from __future__ import annotations
 
 import shutil
diff --git a/hooks/pre_gen_project.py b/hooks/pre_gen_project.py
index d6ffcb8..aea9f31 100644
--- a/hooks/pre_gen_project.py
+++ b/hooks/pre_gen_project.py
@@ -1,4 +1,5 @@
 """This module contains hooks which are executed before the template is rendered."""
+
 from __future__ import annotations
 
 import re
diff --git a/setup.cfg b/setup.cfg
index 5616eeb..a72d740 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ url = https://cookiecutter-pytask-plugin.readthedocs.io/en/latest
 author = Tobias Raabe
 author_email = raabe@posteo.de
 license = MIT
-license_file = LICENSE
+license_files = LICENSE
 platforms = unix, linux, osx, cygwin, win32
 classifiers =
     Development Status :: 3 - Alpha
@@ -26,5 +26,5 @@ project_urls =
     Tracker = https://github.com/pytask-dev/cookiecutter-pytask-plugin/issues
 
 [options]
-python_requires = >=3.7
+python_requires = >=3.8
 zip_safe = False
diff --git a/tests/__init__.py b/tests/__init__.py
index 83a9d18..71bd238 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,2 +1,3 @@
 """This file is necessary to apply custom mypy configurations for the tests."""
+
 from __future__ import annotations
diff --git a/tests/test_cookie.py b/tests/test_cookie.py
index b4cbf4e..b375b9b 100644
--- a/tests/test_cookie.py
+++ b/tests/test_cookie.py
@@ -7,7 +7,7 @@
 import pytest
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_bake_project(cookies):
     major, minor = sys.version_info[:2]
     python_version = f"{major}.{minor}"
@@ -25,7 +25,7 @@ def test_bake_project(cookies):
     assert result.project_path.is_dir()
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_remove_readthedocs(cookies):
     result = cookies.bake(extra_context={"add_readthedocs": "no"})
 
@@ -39,7 +39,7 @@ def test_remove_readthedocs(cookies):
     assert "readthedocs" not in readme
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_remove_github_actions(cookies):
     result = cookies.bake(extra_context={"add_github_actions": "no"})
 
@@ -53,7 +53,7 @@ def test_remove_github_actions(cookies):
     assert "github/workflow/status" not in readme
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_remove_tox(cookies):
     result = cookies.bake(extra_context={"add_tox": "no"})
 
@@ -67,7 +67,7 @@ def test_remove_tox(cookies):
     assert not tox.exists()
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_remove_license(cookies):
     result = cookies.bake(extra_context={"open_source_license": "Not open source"})
 
@@ -79,7 +79,7 @@ def test_remove_license(cookies):
     assert not license_.exists()
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 @pytest.mark.skipif(os.environ.get("CI") is None, reason="Run only in CI.")
 def test_check_conda_environment_creation_and_run_all_checks(cookies):
     """Test that the conda environment is created and pre-commit passes."""
diff --git a/{{cookiecutter.package_name}}/src/{{cookiecutter.__package_name}}/__init__.py b/{{cookiecutter.package_name}}/src/{{cookiecutter.__package_name}}/__init__.py
index 5769aa6..483c821 100644
--- a/{{cookiecutter.package_name}}/src/{{cookiecutter.__package_name}}/__init__.py
+++ b/{{cookiecutter.package_name}}/src/{{cookiecutter.__package_name}}/__init__.py
@@ -1,4 +1,5 @@
 """This module contains the main namespace of the package."""
+
 from __future__ import annotations
 
 try: