error when installing pyusb

I have downloaded pysb 1.0 alpha and when in try to install it with thi开发者_如何学运维s command ( python setup.py install) get this error:

error package directory 'usb' does not exist .

What can i do ?

Thanks .

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You need to have python installed (v2.5 or higher). If already done, you can copy the usb folder from pyusb to the folder ..../python2x/lib/

I think that should work. Assuming you're using windows.