bpo-37337: Add _PyObject_CallMethodNoArgs() (GH-14267)

diff --git a/Objects/abstract.c b/Objects/abstract.c
index 86178a7..db1c306 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2221,7 +2221,7 @@
     PyObject *it, *result, *meth_output;
 
     assert(o != NULL);
-    meth_output = _PyObject_CallMethodId(o, meth_id, NULL);
+    meth_output = _PyObject_CallMethodIdNoArgs(o, meth_id);
     if (meth_output == NULL || PyList_CheckExact(meth_output)) {
         return meth_output;
     }
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 99855d8..edce250 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -1019,28 +1019,28 @@
 mappingproxy_keys(mappingproxyobject *pp, PyObject *Py_UNUSED(ignored))
 {
     _Py_IDENTIFIER(keys);
-    return _PyObject_CallMethodId(pp->mapping, &PyId_keys, NULL);
+    return _PyObject_CallMethodIdNoArgs(pp->mapping, &PyId_keys);
 }
 
 static PyObject *
 mappingproxy_values(mappingproxyobject *pp, PyObject *Py_UNUSED(ignored))
 {
     _Py_IDENTIFIER(values);
-    return _PyObject_CallMethodId(pp->mapping, &PyId_values, NULL);
+    return _PyObject_CallMethodIdNoArgs(pp->mapping, &PyId_values);
 }
 
 static PyObject *
 mappingproxy_items(mappingproxyobject *pp, PyObject *Py_UNUSED(ignored))
 {
     _Py_IDENTIFIER(items);
-    return _PyObject_CallMethodId(pp->mapping, &PyId_items, NULL);
+    return _PyObject_CallMethodIdNoArgs(pp->mapping, &PyId_items);
 }
 
 static PyObject *
 mappingproxy_copy(mappingproxyobject *pp, PyObject *Py_UNUSED(ignored))
 {
     _Py_IDENTIFIER(copy);
-    return _PyObject_CallMethodId(pp->mapping, &PyId_copy, NULL);
+    return _PyObject_CallMethodIdNoArgs(pp->mapping, &PyId_copy);
 }
 
 /* WARNING: mappingproxy methods must not give access
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index a21e490..0faf7e7 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -61,7 +61,7 @@
     }
 
     if (n <= 0) {
-        result = _PyObject_CallMethodIdObjArgs(f, &PyId_readline, NULL);
+        result = _PyObject_CallMethodIdNoArgs(f, &PyId_readline);
     }
     else {
         result = _PyObject_CallMethodId(f, &PyId_readline, "i", n);
diff --git a/Objects/odictobject.c b/Objects/odictobject.c
index 4c9ae3b..dfbd30a 100644
--- a/Objects/odictobject.c
+++ b/Objects/odictobject.c
@@ -920,7 +920,7 @@
     if (args == NULL)
         goto Done;
 
-    items = _PyObject_CallMethodIdObjArgs((PyObject *)od, &PyId_items, NULL);
+    items = _PyObject_CallMethodIdNoArgs((PyObject *)od, &PyId_items);
     if (items == NULL)
         goto Done;
 
@@ -1421,8 +1421,8 @@
             Py_SIZE(pieces) = count;
     }
     else {
-        PyObject *items = _PyObject_CallMethodIdObjArgs((PyObject *)self,
-                                                        &PyId_items, NULL);
+        PyObject *items = _PyObject_CallMethodIdNoArgs((PyObject *)self,
+                                                       &PyId_items);
         if (items == NULL)
             goto Done;
         pieces = PySequence_List(items);
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 3b9a537..96021ee 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -4425,7 +4425,7 @@
         PyObject *items;
         _Py_IDENTIFIER(items);
 
-        items = _PyObject_CallMethodIdObjArgs(obj, &PyId_items, NULL);
+        items = _PyObject_CallMethodIdNoArgs(obj, &PyId_items);
         if (items == NULL) {
             Py_CLEAR(*listitems);
             return -1;
diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index ae3f6dc..e8a429a 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -455,7 +455,7 @@
     method(PyObject *proxy, PyObject *Py_UNUSED(ignored)) { \
             _Py_IDENTIFIER(special); \
             UNWRAP(proxy); \
-                return _PyObject_CallMethodId(proxy, &PyId_##special, NULL); \
+                return _PyObject_CallMethodIdNoArgs(proxy, &PyId_##special); \
         }