.pth configuration method not working

[Mark]

Sys.path doesn't recognize any directories that I add using the .pth
method.   I'm running Windows XP if that helps diagnose the problem.

Here is what I've done:

The original output of sys.path:
['C:\\Python25\\Lib\\idlelib', 'C:\\WINDOWS\\system32\\python25.zip',
'C:\\Python25\\DLLs', 'C:\\Python25\\lib', 'C:\\Python25\\lib\\plat-
win', 'C:\\Python25\\lib\\lib-tk', 'C:\\Python25', 'C:\\Python25\\lib\
\site-packages']

I've added a file "MyPaths.pth" to  "C:\Python25\".   MyPaths.pth
contains one line that reads: C:\Python25\MyModules.   For some reason
sys.path won't ever recognize that C:\Python25\MyModules exists.  This
is very frustrating because I know that this method is supposed to
work.  ANY help would be appreciated.

Thanks in advance,
Mark