siggen: Fix error when hash equivalence has an exception
The code that handled exceptions from the hash equivalence client was
raising an exception itself because hashserv.client wasn't imported
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit a76290dfc6f34ff9f6efdb13a6db74b6b4759daf)
Signed-off-by: Steve Sakoman <steve@sakoman.com>