[PATCH] python: fix unchecked None access in get_property

[David Bremner]

Vincent Breitmoser <look at my.amazin.horse> writes:

> ---
>  bindings/python/notmuch/message.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

pushed to master, thanks for the fix,

d