I think you won't even have to install Python yourself anymore. It should suffice if you use your tablet's browser to go to my blog post about the update, then click the "mclock-051-1_all" link.
Unable to install mClock. Some application packages required for the installation are missing.
Application packages missing: python2.5-osso python2.5-gnome(>=2.18.0-1osso3)
hildon-application-manager 2.1.16 apt-worker: Ignoring version from wrong domain: libbz2-1.0 1.0.3-1 apt-worker: /var/lib/apt/lists/repository.maemo.org_extras_dists_diablo_free_binary-armel_Packages apt-worker: Ignoring version from wrong domain: libxml2 2.6.27.dfsg-1.maemo1 apt-worker: /var/lib/apt/lists/repository.maemo.org_extras_dists_diablo_free_binary-armel_Packages apt-worker: Ignoring version from wrong domain: libdb4.2 4.2.52+dfsg-2 apt-worker: /var/lib/apt/lists/repository.maemo.org_extras_dists_diablo_free_binary-armel_Packages apt-worker: Ignoring version from wrong domain: libreadline4 4.3-10 apt-worker: /var/lib/apt/lists/repository.maemo.org_extras_dists_diablo_free_binary-armel_Packages /usr/bin/dpkg-deb -f '/var/tmp/mclock-051-1_all.deb' FAILED: python2.5-osso FAILED: python2.5-gnome (>= 2.18.0-1osso3)
Code: apt-get install python2.5-pygame python2.5-dbus
apt-get install python2.5-pygame python2.5-dbus