fix module_api test

tests/build/module_api.srctree

@@ -108,6 +108,18 @@ void inita(void)
    if (!sys_modules) return;
    mod = PyInit_a();
    if (!mod) return;
+#if PY_VERSION_HEX >= 0x03050000
+   /* FIXME: this is incomplete and users shouldn't have to do this in the first place... */
+   if (!PyModule_Check(mod)) {
+      PyModuleDef *mdef = (PyModuleDef*)mod;
+      PyObject *modname = PyUnicode_FromString("a");
+      if (!modname) return;
+      mod = PyModule_NewObject(modname);
+      Py_DECREF(modname);
+      if (!mod) return;
+      PyModule_ExecDef(mod, mdef);
+   }
+#endif
    PyDict_SetItemString(sys_modules, (char*)"a", mod);
 }
 #endif