Hi Hello everybody, I am a newcomer .

I run a example from http://documen.tician.de/pycuda/, but I got  the
flowing Error information.

>pythonw -u "test1.py"

Traceback (most recent call last):
  File "test1.py", line 12, in <module>
    """)
  File "C:\Python26\lib\site-packages\pycuda\compiler.py", line 235, in
__init__
    arch, code, cache_dir, include_dirs)
  File "C:\Python26\lib\site-packages\pycuda\compiler.py", line 201, in
compile
    "pycuda-compiler-cache-v1-%s" % _get_per_user_string())
  File "C:\Python26\lib\site-packages\pycuda\compiler.py", line 139, in
_get_per_user_string
    checksum.update(environ["HOME"])
  File "C:\Python26\lib\os.py", line 423, in __getitem__
    return self.data[key.upper()]
KeyError: 'HOME'




How to solve it, help me

I use WindowsXP , Python2.6.6
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