fix isinstance bug

Fidget-Spinner · Fidget-Spinner · commit e73b69f4ae96 · 2021-10-19T18:58:57.000+08:00
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -4851,7 +4851,7 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, InterpreterFrame *frame, int thr
             Py_DECREF(POP());
             Py_DECREF(POP());
             Py_DECREF(callable);
-            STAT_INC(CALL_FUNCTION, hit);
+            SET_TOP(res);
             if (res == NULL) {
                 goto error;
             }

Original file line number	Diff line number	Diff line change
`@@ -4851,7 +4851,7 @@ _PyEval_EvalFrameDefault(PyThreadState tstate, InterpreterFrame frame, int thr`
`4851`	`4851`	`Py_DECREF(POP());`
`4852`	`4852`	`Py_DECREF(POP());`
`4853`	`4853`	`Py_DECREF(callable);`
`4854`		`- STAT_INC(CALL_FUNCTION, hit);`
	`4854`	`+ SET_TOP(res);`
`4855`	`4855`	`if (res == NULL) {`
`4856`	`4856`	`goto error;`
`4857`	`4857`	`}`