我正在运行一个python脚本，导入dataextract（来自tableau api）csv，os和datetime 当我运行它时，我收到此错误，我不知道从哪里开始查找。我正在运行的唯一一行代码是

import dataextract as tde

我按照tableau的教程安装了这个库 http://www.tableausoftware.com/learn/tutorials/on-demand/extract-api-introduction?signin=f850b055b106d24b93b365faad64838f

Traceback (most recent call last):
File "C:/Users/Ofri Harlev/Documents/Python/TableauFlatScript.py", line 1, in <module>
import dataextract as tde
File "C:\Python27\lib\site-packages\dataextract\__init__.py", line 15, in <module>
from Base import *
File "C:\Python27\lib\site-packages\dataextract\Base.py", line 17, in <module>
from . import StringUtils
File "C:\Python27\lib\site-packages\dataextract\StringUtils.py", line 17, in <module>
tablib = libs.load_lib
File "C:\Python27\lib\site-packages\dataextract\Libs.py", line 35, in load_lib
self.lib = ctypes.cdll.LoadLibrary(self.lib_path)
File "C:\Python27\lib\ctypes\__init__.py", line 443, in LoadLibrary
return self._dlltype(name)
File "C:\Python27\lib\ctypes\__init__.py", line 365, in __init__
self._handle = _dlopen(self._name, mode)
WindowsError: [Error 127] The specified procedure could not be found