Comment 0 for bug 1823718

root@direct-tiger:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Disco Dingo (development branch)
Release: 19.04
Codename: disco
root@direct-tiger:~# apt update && apt -y install python3-libmaas
[ snip ... ]
Setting up python3-libmaas (0.6.0-0ubuntu1) ...
  File "/usr/lib/python3/dist-packages/maas/client/__init__.py", line 8
    from .utils.async import asynchronous
                    ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/bones/__init__.py", line 23
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/bones/helpers.py", line 31
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/controllers.py", line 16
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/fabrics.py", line 15
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/machines.py", line 26
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/profiles.py", line 28
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/spaces.py", line 15
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/subnets.py", line 15
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/flesh/vlans.py", line 15
    from ..utils.async import asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/viscera/__init__.py", line 49
    from ..utils.async import Asynchronous
                     ^
SyntaxError: invalid syntax

  File "/usr/lib/python3/dist-packages/maas/client/viscera/events.py", line 25
    from ..utils.async import is_loop_running
                     ^
SyntaxError: invalid syntax

dpkg: error processing package python3-libmaas (--configure):
 installed python3-libmaas package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 python3-libmaas
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@direct-tiger:~#