doxygen: use single quotes for non-prose text.

diff --git a/doxygen/test/__init__.py b/doxygen/test/__init__.py
index 96dc7b4f0b5089a9776a4e7f9da4c5d72ed57a3a..ec28592b8336e1db38961d601d6fe2e59ae3831d 100644 (file)
--- a/doxygen/test/__init__.py
+++ b/doxygen/test/__init__.py
@@ -20,7 +20,7 @@ class IntegrationTestCase(unittest.TestCase):
 
     def setUp(self):
         if os.path.exists(os.path.join(self.path, 'xml')): shutil.rmtree(os.path.join(self.path, 'xml'))
-        subprocess.run(["doxygen"], cwd=self.path)
+        subprocess.run(['doxygen'], cwd=self.path)
 
         if os.path.exists(os.path.join(self.path, 'html')): shutil.rmtree(os.path.join(self.path, 'html'))