pythonOCC examples doesn't work?

[Jayden]

I installed 
(1) pythonxy2.7.2.3 (with python2.7) and 
(2) pythonOCC-0.5-all-in-one.win32.py26 
on windows 7 64 bit computer. 

I try run pythonOCC examples in its example folder, such as the helloworld.py 
and got errors as follows: 

    ImportantError: DLL load failed: The specified module could not be found. 

The error come from the line of code: 

    from OCC.BrepPrimAPI import * 

How to fix the error? Thanks a lot!!
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