devshell.bbclass: Exceptions displayed within devpyshell
If you type something into devpyshell, an exception should be triggered,
but that exception isn't printed out because it is not being flushed out
of the buffer. This patch fixes that issue.
[YOCTO #12156]
Signed-off-by: Dorinda Bassey <dorindabassey@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
9f95e82a3b27bfd5177a855326dcad8a5bdf5b2d)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
