commands raise error on Impish from do_run_bzr()

[Xav Paice]

Running any lp-milestones command on a system with Ubuntu Impish, and lptools package 0.2.0-7ubuntu1 from universe. This appears to be the case for any commands.

$ lp-milestones list
brz: ERROR: TypeError: <lambda>() got an unexpected keyword argument 'warn_load_problems'

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/breezy/commands.py", line 1017, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/lptools/command.py", line 90, in do_run_bzr
    return commands.run_bzr(argv, lambda:None, lambda:None)
  File "/usr/lib/python3/dist-packages/breezy/commands.py", line 1161, in run_bzr
    load_plugins(warn_load_problems=warn_load_problems)
TypeError: <lambda>() got an unexpected keyword argument 'warn_load_problems'

You can report this problem to Bazaar's developers by running
    apport-bug /var/crash/brz.1000.2022-03-11T01:59.crash
if a bug-reporting window does not automatically appear.
xav@xplt:~/repos/bootstack-qa/tools$ lp-milestones
brz: ERROR: TypeError: <lambda>() got an unexpected keyword argument 'warn_load_problems'

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/breezy/commands.py", line 1017, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/lptools/command.py", line 90, in do_run_bzr
    return commands.run_bzr(argv, lambda:None, lambda:None)
  File "/usr/lib/python3/dist-packages/breezy/commands.py", line 1161, in run_bzr
    load_plugins(warn_load_problems=warn_load_problems)
TypeError: <lambda>() got an unexpected keyword argument 'warn_load_problems'

brz 3.2.0 on python 3.9.7 (Linux-5.13.0-30-lowlatency-x86_64-with-glibc2.34)
arguments: ['/usr/bin/lp-milestones']
plugins:
encoding: 'utf-8', fsenc: 'utf-8', lang: 'en_NZ.UTF-8'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/brz/+filebug
    including this traceback and a description of the problem.

$ bzr --version
Breezy (brz) 3.2.0
  Python interpreter: /usr/bin/python3 3.9.7
  Python standard library: /usr/lib/python3.9
  Platform: Linux-5.13.0-30-lowlatency-x86_64-with-glibc2.34
  breezy: /usr/lib/python3/dist-packages/breezy