diff --git a/tests/black_project/src/black_project/__init__.py b/tests/black_project/src/black_project/__init__.py
index 8cec510d21345e78de423075e4632a1d33e14780..3e2f99ffa90dd631847fcc095ba02caecb11b9a1 100644
--- a/tests/black_project/src/black_project/__init__.py
+++ b/tests/black_project/src/black_project/__init__.py
@@ -1,3 +1,3 @@
 from black_project.main import main
 
-__all__ = ['main']
+__all__ = ["main"]
diff --git a/tests/black_project/src/black_project/main.py b/tests/black_project/src/black_project/main.py
index 28caf00b6f3b52955a2bc069b315fe44940eabb8..250de775d1c9fcfd14cf1b50313c5e872521be9f 100644
--- a/tests/black_project/src/black_project/main.py
+++ b/tests/black_project/src/black_project/main.py
@@ -7,5 +7,5 @@ def main() -> bool:
     return True
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()