diff --git a/tests/packages/test_vcs_dependency.py b/tests/packages/test_vcs_dependency.py
index 7a146e2a3..0d9d01910 100644
--- a/tests/packages/test_vcs_dependency.py
+++ b/tests/packages/test_vcs_dependency.py
@@ -39,8 +39,10 @@
         ),
         (
             {"branch": "main", "directory": "sub"},
-            "poetry @ git+https://github.com/python-poetry/poetry.git"
-            "@main#subdirectory=sub",
+            (
+                "poetry @ git+https://github.com/python-poetry/poetry.git"
+                "@main#subdirectory=sub"
+            ),
         ),
     ],
 )