On Tue, Dec 26, 2017 at 12:03:19AM +0100, Danny Milosavljevic wrote:
> * gnu/packages/libusb.scm (python-hidapi, python2-hidapi): New variables.

> +    (synopsis "Cython interface to hidapi")
> +    (description "A Cython interface to the hidapi.")

Please make it a complete English sentence:

This package provides a Cython interface to the HIDAPI library.

Otherwise LGTM!