Revert "tracetool: use Python 2.4-compatible exception handling syntax" This reverts commit 662da3854e3f490223373b40afdcfcc339d14aa5. We require Python 2.6 now (commit fec2103). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <1450425164-24969-4-git-send-email-armbru@redhat.com>