*** /usr/bin/pycentral.old	2008-02-28 22:32:15.000000000 +0100
--- /usr/bin/pycentral	2008-02-28 22:34:37.000000000 +0100
*************** class ActionPkgPrepare(Action):
*** 1149,1154 ****
--- 1149,1160 ----
          requested = pyversions.requested_versions_for_runtime(pkg.version_field, version_only=True)
          used_runtimes = [rt for rt in runtimes if rt.short_name in requested]
  
+         try:
+             pkg.set_default_runtime_from_version_info()
+         except ValueError:
+             logging.warn('\t%s not available for %s (%s)'
+                          % (pkgname, self.rtname, pkg.version_field))
+ 
          if os.path.exists('/var/lib/dpkg/info/%s.list' % self.pkgname):
              old_pkg = DebPackage('package', self.args[0], oldstyle=False)
              try: