When I import OMPython, i find some errors, the error message is as follows

Traceback (most recent call last):
File "<pyshell#0>", line 1, in <module>
    import OMPython
  File "C:\Python27\lib\site-packages\OMPython\__init__.py", line 87, in <module>
    from omniORB import CORBA
  File "C:\OpenModelica1.9.0\lib\python\omniORB\__init__.py", line 254, in <module>
    import _omnipy
ImportError: DLL load failed: %1 is not a valid Win32 application。

I need your help to solve this problem. Thank you!