Remove invalid 'to_sulong' conversion.

Author: fangerer

graalpython/com.oracle.graal.python.cext/src/object.c

@@ -538,7 +538,6 @@ PyObject* PyObject_CallObject(PyObject* callable, PyObject* args) {
 PyObject* PyObject_CallFunction(PyObject* callable, const char* fmt, ...) {
     PyObject* args;
     CALL_WITH_VARARGS(args, Py_BuildValue, 2, fmt);
-    args = to_sulong(args);
     if (strlen(fmt) < 2) {
         PyObject* singleArg = args;
         args = PyTuple_New(strlen(fmt));

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/NativeWrappers.java

@@ -189,6 +189,7 @@ public TruffleObject getForeignObject() {
         }
 
         public static TruffleObjectNativeWrapper wrap(TruffleObject foreignObject) {
+            assert !(foreignObject instanceof PythonNativeWrapper) : "attempting to wrap a native wrapper";
             return new TruffleObjectNativeWrapper(foreignObject);
         }