diff --git a/test/test_firedrake_interop.py b/test/test_firedrake_interop.py
index 7074b58e2fbe35b942a0e8857c8459f636ff9527..a267938e3edd0a2404559d320a97b30207e1c01d 100644
--- a/test/test_firedrake_interop.py
+++ b/test/test_firedrake_interop.py
@@ -238,3 +238,5 @@ def test_vector_idempotency(ctx_factory, fdrake_mesh,
     check_idempotency(fdrake_connection, fdrake_unique)
 
 # }}}
+
+# vim: foldmethod=marker