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Depending on which version of Python you are using (e.g. python 2.7.x or Python 3.4.x) you need to setup the following location(s) in your PATH -- they each have a different version of the compiled Python binary 'redirect.pyc'
C:\ ... \PTI\PSSE34\PSSPY34
OR
C:\ ... \PTI\PSSE34\PSSPY27