gh-104233: Fix "unused variable" warning in `ceval_gil.c` (#104234)

diff --git a/Python/ceval_gil.c b/Python/ceval_gil.c
index a390bec80d556c8fcc60e7d617a95a118d955ed4..1ac0dbcf2ecfec8ef0b1f3eacd9bb9cb7890021f 100644 (file)
--- a/Python/ceval_gil.c
+++ b/Python/ceval_gil.c
@@ -547,9 +547,11 @@ _PyEval_FiniGIL(PyInterpreterState *interp)
         return;
     }
     else if (!interp->ceval.own_gil) {
+#ifdef Py_DEBUG
         PyInterpreterState *main_interp = _PyInterpreterState_Main();
         assert(interp != main_interp);
         assert(interp->ceval.gil == main_interp->ceval.gil);
+#endif
         interp->ceval.gil = NULL;
         return;
     }