unable to upgrade to mercurial-1.9

[Rodolfo Aramayo]

I am getting the following error:

Error: No checksum set for mercurial-1.9.tar.gz
Error: Target org.macports.checksum returned: Unable to verify file checksums
Log for mercurial is at:
/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_mercurial/main.log
Error: Unable to upgrade port: 1

==========
Log:

4# tail /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_mercurial/main.log
:info:checksum The correct checksum line may be:
:info:checksum checksums           md5     d4842129fa2732eb6ed1180467bc32e2 \
                    sha1    e7d80abf520849e1327ad5e7606a09628f646584 \
                    rmd160  f533234095f2028ef742dce96a23751ee023a7f1
:error:checksum Target org.macports.checksum returned: Unable to
verify file checksums
:debug:checksum Backtrace: Unable to verify file checksums
    while executing
"$procedure $targetname"
:info:checksum Warning: the following items did not execute (for
mercurial): org.macports.destroot org.macports.checksum
org.macports.extract org.macports.patch org.macports.configure
org.macports.build
:notice:checksum Log for mercurial is at:
/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_mercurial/main.log
==========

Can we fix this?
Thanks
--R