[PATCH] check types rather than segfault in pygpo.c

[Andrew Bartlett]

On Fri, 2018-04-13 at 14:39 +1200, Douglas Bagnall via samba-technical
wrote:
> I was trying to find good examples for another thread, and only found bad.
> 
> Douglas

Thanks Douglas!

Reviewed-by: Andrew Bartlett <abartlet at samba.org>

Please push!

-- 
Andrew Bartlett
https://samba.org/~abartlet/
Authentication Developer, Samba Team         https://samba.org
Samba Development and Support, Catalyst IT   
https://catalyst.net.nz/services/samba