python runrst hgmanpage --halt warning \
--strip-elements-with-class htmlonly hg.1.txt hg.1
abort: couldn't generate documentation: docutils module is missing
make[1]: *** [hg.1] Error 255
make[1]: Leaving directory `/usr/src/redhat/BUILD/mercurial-1.8.3/doc'
make: *** [doc] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.56274 (%build)


RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.56274 (%build)

What should I do?