$ ldd _pylibmpsse.so
        linux-vdso.so.1 =>  (0x00007fff1d5de000)
        libftdi.so.1 => /usr/lib/x86_64-linux-gnu/libftdi.so.1 (0x00007f528ec4e000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f528e889000)
        libusb-0.1.so.4 => /lib/x86_64-linux-gnu/libusb-0.1.so.4 (0x00007f528e67f000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f528f083000)
$ python -c 'import _pylibmpsse; print _pylibmpsse; print _pylibmpsse.SetLoopback'
<module '_pylibmpsse' from '_pylibmpsse.so'>
<built-in function SetLoopback>