bpo-37151: remove _PyCFunction_FastCallDict (GH-14269)

diff --git a/Python/ceval.c b/Python/ceval.c
index 60367a6..4ca986a 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -5018,10 +5018,10 @@
                 return NULL;
             }
 
-            C_TRACE(result, _PyCFunction_FastCallDict(func,
-                                                      &_PyTuple_ITEMS(callargs)[1],
-                                                      nargs - 1,
-                                                      kwdict));
+            C_TRACE(result, _PyObject_FastCallDict(func,
+                                                   &_PyTuple_ITEMS(callargs)[1],
+                                                   nargs - 1,
+                                                   kwdict));
             Py_DECREF(func);
             return result;
         }