diff --git a/tests/babel-utils-test-site.py b/tests/babel-utils-test-site.py
index aef9466..acda463 100755
--- a/tests/babel-utils-test-site.py
+++ b/tests/babel-utils-test-site.py
@@ -129,5 +129,5 @@ def __update_file_rev_date(file: Path) -> None:
 main.add_command(babel_extract)
 main.add_command(babel_compile)
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/tests/babel-utils.py b/tests/babel-utils.py
index 56a98b5..fb9c801 100755
--- a/tests/babel-utils.py
+++ b/tests/babel-utils.py
@@ -129,5 +129,5 @@ def __update_file_rev_date(file: Path) -> None:
 main.add_command(babel_extract)
 main.add_command(babel_compile)
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()