import sys for the xml test case -- makes messages more helpful
import sys for the xml test case -- makes messages more helpful

i can't believe i didn't do this sooner... debugging these test case
message was just incredibly awful all the time and the solution was so
simple...

sknorr/suse-doc-style-checker,sknorr/suse-doc-style-checker,sknorr/suse-doc-style-checker