diff --git a/tests/basic/test_coder.py b/tests/basic/test_coder.py
index 8e36cd134..8fa5d6426 100644
--- a/tests/basic/test_coder.py
+++ b/tests/basic/test_coder.py
@@ -302,7 +302,7 @@ class TestCoder(unittest.TestCase):
 
             # Pre-format the Windows path to avoid backslash issues in f-string expressions
             windows_path = test_files[2].replace("/", "\\")
-            win_path3 = test_files[3].replace('/', '\\')
+            win_path3 = test_files[3].replace("/", "\\")
 
             for fname in test_files:
                 fpath = Path(fname)