Traceback (most recent call last):
  File "/usr/lib/ubuntu-release-upgrader/do-partial-upgrade", line 105, in <module>
    controller.doPartialUpgrade()
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 1895, in doPartialUpgrade
    if not self.doDistUpgrade():
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeController.py", line 1182, in doDistUpgrade
    res = self.cache.commit(fprogress,iprogress)
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeCache.py", line 267, in commit
    apt.Cache.commit(self, fprogress, iprogress)
  File "/usr/lib/python3/dist-packages/apt/cache.py", line 525, in commit
    res = self.install_archives(pm, install_progress)
  File "/usr/lib/python3/dist-packages/apt/cache.py", line 489, in install_archives
    res = install_progress.run(pm)
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeView.py", line 234, in run
    res = os.WEXITSTATUS(self.wait_child())
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeViewGtk3.py", line 339, in wait_child
    self.update_interface()
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeViewGtk3.py", line 346, in update_interface
    InstallProgress.update_interface(self)
  File "/usr/lib/python3/dist-packages/apt/progress/base.py", line 255, in update_interface
    if float(percent) != self.percent or status_str != self.status:
ValueError: could not convert string to float: '0,0000'