4.4-rc broken

[Uwe Brauer]

Hi

I just installed the latest mercurial version available from
deb http://ppa.launchpad.net/mercurial-ppa/releases/ubuntu trusty main

Most likely it is 4.4-rec

But hg --version gives me


g --version
*** failed to import extension mercurial_all_dirs from ~/ALLES/src/mercurial-all_dirs/mercurial_all_dirs.py: <mercurial.cmdutil.command object at 0xb6cc73ac> is not a Python function
** Unknown exception encountered with possibly-broken third-party extension artemis
** which supports versions unknown of Mercurial.
** Please disable artemis and try your action again.
** If that fixes the bug please report it to the extension author.
** Python 2.7.6 (default, Oct 26 2016, 20:32:47) [GCC 4.8.4]
** Mercurial Distributed SCM (version 4.4-rc)
** Extensions loaded: blackbox, strip, mq, journal, churn, notify, artemis, smartlog, share, evolve, eol, hgk, rebase, shelve, purge, pager, convert, fetch, histedit, hggit, record, keyword
Traceback (most recent call last):
  File "/usr/bin/hg", line 41, in <module>
    dispatch.run()
  File "/usr/lib/python2.7/dist-packages/mercurial/dispatch.py", line 85, in run
    status = (dispatch(req) or 0) & 255
  File "/usr/lib/python2.7/dist-packages/mercurial/dispatch.py", line 173, in dispatch
    ret = _runcatch(req)
  File "/usr/lib/python2.7/dist-packages/mercurial/dispatch.py", line 313, in _runcatch
    return _callcatch(ui, _runcatchfunc)
  File "/usr/lib/python2.7/dist-packages/mercurial/dispatch.py", line 321, in _callcatch
    return scmutil.callcatch(ui, func)
  File "/usr/lib/python2.7/dist-packages/mercurial/scmutil.py", line 154, in callcatch
    return func()
  File "/usr/lib/python2.7/dist-packages/mercurial/dispatch.py", line 303, in _runcatchfunc
    return _dispatch(req)
  File "/usr/lib/python2.7/dist-packages/mercurial/dispatch.py", line 813, in _dispatch
    cmd, func, args, options, cmdoptions = _parse(lui, args)
  File "/usr/lib/python2.7/dist-packages/hgext/keyword.py", line 719, in kwdispatch_parse
    cmd, func, args, options, cmdoptions = orig(ui, args)
  File "/home/oub/ALLES/src/mercurial-all_dirs/mercurial_all_dirs.py", line 174, in _parse
    except error.CommandError as e:
AttributeError: 'NoneType' object has no attribute 'CommandError'