diff --git a/tests/flake8_project/src/flake8_project/__init__.py b/tests/flake8_project/src/flake8_project/__init__.py
index 58505af1f84165e36769758d2fe06f4cdc2b1a0e..22ee9155c7c60b928c68eaf1fdb321ed3f638a83 100644
--- a/tests/flake8_project/src/flake8_project/__init__.py
+++ b/tests/flake8_project/src/flake8_project/__init__.py
@@ -1,3 +1,3 @@
 from flake8_project.main import main
 
-__all__ = ['main']
+__all__ = ["main"]
diff --git a/tests/flake8_project/src/flake8_project/main.py b/tests/flake8_project/src/flake8_project/main.py
index 28caf00b6f3b52955a2bc069b315fe44940eabb8..250de775d1c9fcfd14cf1b50313c5e872521be9f 100644
--- a/tests/flake8_project/src/flake8_project/main.py
+++ b/tests/flake8_project/src/flake8_project/main.py
@@ -7,5 +7,5 @@ def main() -> bool:
     return True
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/tests/isort_project/src/isort_project/z_module.py b/tests/isort_project/src/isort_project/z_module.py
index 651a32811b82c11d6e60c6021cddb6ff34008867..b8f1ab80d341118568895ad2e3264e9166bd6219 100644
--- a/tests/isort_project/src/isort_project/z_module.py
+++ b/tests/isort_project/src/isort_project/z_module.py
@@ -1,2 +1,2 @@
 def barfoo():
-    ...
\ No newline at end of file
+    ...
diff --git a/tests/pytest_project/src/pytest_project/__init__.py b/tests/pytest_project/src/pytest_project/__init__.py
index d4cc63e287d1f9b8e3f12a55c9a24e34eb3241c3..c835af4b921fc971797af114b2008373041b26eb 100644
--- a/tests/pytest_project/src/pytest_project/__init__.py
+++ b/tests/pytest_project/src/pytest_project/__init__.py
@@ -1,3 +1,3 @@
 from pytest_project.main import main
 
-__all__ = ['main']
+__all__ = ["main"]
diff --git a/tests/pytest_project/src/pytest_project/main.py b/tests/pytest_project/src/pytest_project/main.py
index 28caf00b6f3b52955a2bc069b315fe44940eabb8..250de775d1c9fcfd14cf1b50313c5e872521be9f 100644
--- a/tests/pytest_project/src/pytest_project/main.py
+++ b/tests/pytest_project/src/pytest_project/main.py
@@ -7,5 +7,5 @@ def main() -> bool:
     return True
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/tests/python_install_project/src/python_install_project/__init__.py b/tests/python_install_project/src/python_install_project/__init__.py
index d4cc63e287d1f9b8e3f12a55c9a24e34eb3241c3..c835af4b921fc971797af114b2008373041b26eb 100644
--- a/tests/python_install_project/src/python_install_project/__init__.py
+++ b/tests/python_install_project/src/python_install_project/__init__.py
@@ -1,3 +1,3 @@
 from pytest_project.main import main
 
-__all__ = ['main']
+__all__ = ["main"]
diff --git a/tests/python_install_project/src/python_install_project/main.py b/tests/python_install_project/src/python_install_project/main.py
index 28caf00b6f3b52955a2bc069b315fe44940eabb8..250de775d1c9fcfd14cf1b50313c5e872521be9f 100644
--- a/tests/python_install_project/src/python_install_project/main.py
+++ b/tests/python_install_project/src/python_install_project/main.py
@@ -7,5 +7,5 @@ def main() -> bool:
     return True
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/tests/ruff_project/src/ruff_project/__init__.py b/tests/ruff_project/src/ruff_project/__init__.py
index 58505af1f84165e36769758d2fe06f4cdc2b1a0e..22ee9155c7c60b928c68eaf1fdb321ed3f638a83 100644
--- a/tests/ruff_project/src/ruff_project/__init__.py
+++ b/tests/ruff_project/src/ruff_project/__init__.py
@@ -1,3 +1,3 @@
 from flake8_project.main import main
 
-__all__ = ['main']
+__all__ = ["main"]
diff --git a/tests/ruff_project/src/ruff_project/main.py b/tests/ruff_project/src/ruff_project/main.py
index 28caf00b6f3b52955a2bc069b315fe44940eabb8..250de775d1c9fcfd14cf1b50313c5e872521be9f 100644
--- a/tests/ruff_project/src/ruff_project/main.py
+++ b/tests/ruff_project/src/ruff_project/main.py
@@ -7,5 +7,5 @@ def main() -> bool:
     return True
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()