1 files changed, 1 insertions, 1 deletions
diff --git a/Objects/call.c b/Objects/call.c
index 1937a8b227..bda0573875 100644
--- a/Objects/call.c
+++ b/Objects/call.c
@@ -352,7 +352,7 @@ _PyFunction_FastCallDict(PyObject *func, PyObject *const *args, Py_ssize_t nargs
             Py_INCREF(k[i+1]);
             i += 2;
         }
-        nk = i / 2;
+        assert(i / 2 == nk);
     }
     else {
         kwtuple = NULL;