Update

Author: corona10

Modules/_testcapi/clinic/long.c.h

@@ -566,14 +566,21 @@ _testcapi_test_long_numbits_impl(PyObject *module)
     Py_RETURN_NONE;
 }
 
+/*[clinic input]
+_testcapi.call_long_compact_api as check_long_compact_api
+    obj: object
+    /
+[clinic start generated code]*/
+
 static PyObject *
-check_long_compact_api(PyObject *self, PyObject *arg)
+check_long_compact_api(PyObject *module, PyObject *obj)
+/*[clinic end generated code: output=32e2540a75da5702 input=7e7dcce231d655e1]*/
 {
-    assert(PyLong_Check(arg));
-    int is_compact = PyUnstable_Long_IsCompact((PyLongObject*)arg);
+    assert(PyLong_Check(obj));
+    int is_compact = PyUnstable_Long_IsCompact((PyLongObject*)obj);
     Py_ssize_t value = -1;
     if (is_compact) {
-        value = PyUnstable_Long_CompactValue((PyLongObject*)arg);
+        value = PyUnstable_Long_CompactValue((PyLongObject*)obj);
     }
     return Py_BuildValue("in", is_compact, value);
 }
@@ -587,7 +594,7 @@ static PyMethodDef test_methods[] = {
     _TESTCAPI_TEST_LONG_LONG_AND_OVERFLOW_METHODDEF
     _TESTCAPI_TEST_LONG_NUMBITS_METHODDEF
     _TESTCAPI_TEST_LONGLONG_API_METHODDEF
-    {"call_long_compact_api",   check_long_compact_api,          METH_O},
+    CHECK_LONG_COMPACT_API_METHODDEF
     {NULL},
 };