Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/DistUpgrade/dist-upgrade.py", line 8, in <module>
    sys.exit(main())
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeMain.py", line 228, in main
    if not app.doPartialUpgrade():
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 2049, in doPartialUpgrade
    if not self.askDistUpgrade():
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 1391, in doPostUpgrade
    def doPostUpgrade(self):
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 208, in openCache
    return self._openCache(lock)
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 232, in _openCache
    self.cache = MyCache(self.config,
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeCache.py", line 142, in __init__
    self.removal_denylist = config.getListFromFile("Distro", "RemovalDenylistFile")
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeConfigParser.py", line 89, in getListFromFile
    with open(p) as f:
FileNotFoundError: [Errno 2] El fitxer o directori no existeix: '/usr/share/ubuntu-release-upgrader/removal_blacklist.cfg'