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 *