我是python的新手。我要将dwg文件转换为形状文件。我找到了一些密码。当我运行代码时，我得到一个错误。我怎样才能解决这个问题？这里是错误Traceback (most recent call last):

File "C:\Users\Merve\Desktop\dwgtoshp\dwg2shp.py", line 91, in

arcpy.Iteratedatasets_mb(dwg_dosyalari, "", "", "NOT_RECURSIVE")

AttributeError: 'module' object has no attribute 'IterateDatasets_mb'# -*- coding: utf-8 -*-

# ---------------------------------------------------------------------------

# dwg2shp.py

# Created on: 2017-01-30 13:59:57.00000

# (generated by ArcGIS/ModelBuilder)

# Usage: dwg2shp

# Description:

# ---------------------------------------------------------------------------

# Import arcpy module

import arcpy

# Load required toolboxes

arcpy.ImportToolbox("C:\Users\Merve\Desktop\dwg\dwg2shp.tbx")

# Script arguments

pro_