Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/deluge/_libtorrent.py", line 21, in <module>
    import deluge.libtorrent as lt
ModuleNotFoundError: No module named 'deluge.libtorrent'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/deluge/_libtorrent.py", line 24, in <module>
    import libtorrent as lt
ModuleNotFoundError: No module named 'libtorrent'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/deluged", line 33, in <module>
    sys.exit(load_entry_point('deluge==2.1.1', 'gui_scripts', 'deluged')())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/deluge/core/daemon_entry.py", line 87, in start_daemon
    from deluge.core.daemon import is_daemon_running
  File "/usr/lib/python3/dist-packages/deluge/core/daemon.py", line 19, in <module>
    from deluge.core.core import Core
  File "/usr/lib/python3/dist-packages/deluge/core/core.py", line 26, in <module>
    from deluge._libtorrent import LT_VERSION, lt
  File "/usr/lib/python3/dist-packages/deluge/_libtorrent.py", line 26, in <module>
    raise LibtorrentImportError('No libtorrent library found: %s' % (ex))
deluge.error.LibtorrentImportError: No libtorrent library found: No module named 'libtorrent'