Add test for happy path

Author: SurenNihalani

Lib/test/test_call.py

@@ -910,6 +910,9 @@ def static_no_args():
     def positional_only(arg, /):
         pass
 
+    def method_with_self(self, arg, kwarg=1):
+        pass
+
     def missing_self(another_arg):
         pass
 
@@ -925,6 +928,9 @@ def check_raises_type_error(self, message):
             yield
         self.assertEqual(str(cm.exception), message)
 
+    def test_happy_path(self):
+        self.assertIs(None, A().method_with_self(1, kwarg=2))
+
     def test_too_many_positional_but_missing_self(self):
         msg = "A.missing_self() takes 1 positional argument but 2 were given. Did you forget to declare 'self' as the first parameter?"
         with self.check_raises_type_error(msg):

Python/ceval.c

@@ -1623,8 +1623,6 @@ too_many_positional(PyThreadState *tstate, PyCodeObject *co,
             ". Did you forget the 'self' parameter in the function definition?");
         if (self_hint == NULL) {
             self_hint = Py_GetConstant(Py_CONSTANT_EMPTY_STR)
-            Py_DECREF(sig);
-            Py_DECREF(kwonly_sig);
         }
     }
     _PyErr_Format(tstate, PyExc_TypeError,