Jun 18 02:39:31 ubuntu /install.py: Exception during installation:
Jun 18 02:39:31 ubuntu /install.py: Traceback (most recent call last):
Jun 18 02:39:31 ubuntu /install.py:   File "/usr/share/ubiquity/install.py", line 765, in <module>
Jun 18 02:39:31 ubuntu /install.py:     install.run()
Jun 18 02:39:31 ubuntu /install.py:   File "/usr/share/ubiquity/install.py", line 135, in run
Jun 18 02:39:31 ubuntu /install.py:     self.copy_all()
Jun 18 02:39:31 ubuntu /install.py:   File "/usr/share/ubiquity/install.py", line 513, in copy_all
Jun 18 02:39:31 ubuntu /install.py:     self.db.progress('SET', 10 + copy_progress)
Jun 18 02:39:31 ubuntu /install.py:   File "/usr/lib/python3/dist-packages/debconf.py", line 83, in <lambda>
Jun 18 02:39:31 ubuntu /install.py:     lambda *args, **kw: self.command(command, *args, **kw))
Jun 18 02:39:31 ubuntu /install.py:   File "/usr/lib/python3/dist-packages/debconf.py", line 104, in command
Jun 18 02:39:31 ubuntu /install.py:     status = int(status)
Jun 18 02:39:31 ubuntu /install.py: ValueError: invalid literal for int() with base 10: ''
Jun 18 02:39:31 ubuntu /install.py:
Jun 18 02:39:31 ubuntu nautilus-autostart.desktop[2373]: Trace/breakpoint trap (core dumped)