bpo-36650: Fix handling of empty keyword args in C version of lru_cac… · python/cpython@14adbd4
@@ -750,8 +750,10 @@ lru_cache_make_key(PyObject *args, PyObject *kwds, int typed)
750750PyObject *key, *keyword, *value;
751751Py_ssize_t key_size, pos, key_pos, kwds_size;
752752753+kwds_size = kwds ? PyDict_GET_SIZE(kwds) : 0;
754+753755/* short path, key will match args anyway, which is a tuple */
754-if (!typed && !kwds) {
756+if (!typed && !kwds_size) {
755757if (PyTuple_GET_SIZE(args) == 1) {
756758key = PyTuple_GET_ITEM(args, 0);
757759if (PyUnicode_CheckExact(key) || PyLong_CheckExact(key)) {
@@ -765,9 +767,6 @@ lru_cache_make_key(PyObject *args, PyObject *kwds, int typed)
765767return args;
766768 }
767769768-kwds_size = kwds ? PyDict_GET_SIZE(kwds) : 0;
769-assert(kwds_size >= 0);
770-771770key_size = PyTuple_GET_SIZE(args);
772771if (kwds_size)
773772key_size += kwds_size * 2 + 1;