python/qemu/qmp.py: Preserve error context on re-raise
authorJohn Snow <jsnow@redhat.com>
Tue, 6 Oct 2020 23:58:14 +0000 (19:58 -0400)
committerJohn Snow <jsnow@redhat.com>
Tue, 20 Oct 2020 13:37:57 +0000 (09:37 -0400)
commitd2b08b79b0d0f1f794b9ed8f3b8fbcbfdfb9e142
treec5e8b3f86bc7b9bd018412363147708685ffd049
parentaf0db8825400ea8c79fd77ed4ba6fb6699bd0855
python/qemu/qmp.py: Preserve error context on re-raise

Use the "from ..." phrasing when re-raising errors to preserve their
initial context, to help aid debugging when things go wrong.

This also silences a pylint 2.6.0+ error.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 20201006235817.3280413-18-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
python/qemu/qmp.py