error.py.txt

** unknown exception encountered, please report by visiting
** https://mercurial-scm.org/wiki/BugTracker
** Python 3.9.2 (default, Feb 28 2021, 17:03:44) [GCC 10.2.1 20210110]
** Mercurial Distributed SCM (version 6.1.1)
** Extensions loaded: churn, convert, extdiff, graphlog, hgext3rd.evolve 10.5.1, hgext3rd.topic 0.24.1.dev, hgk, histedit, journal, keyword, mq, narrow, pager, patchbomb, purge, rebase, record, schemes, share, show, strip
Traceback (most recent call last):
  File "/usr/bin/hg", line 61, in <module>
    dispatch.run()
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 144, in run
    status = dispatch(req)
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 250, in dispatch
    status = _rundispatch(req)
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 294, in _rundispatch
    ret = _runcatch(req) or 0
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 470, in _runcatch
    return _callcatch(ui, _runcatchfunc)
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 480, in _callcatch
    return scmutil.callcatch(ui, func)
  File "/usr/lib/python3/dist-packages/mercurial/scmutil.py", line 153, in callcatch
    return func()
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 460, in _runcatchfunc
    return _dispatch(req)
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 1273, in _dispatch
    return runcommand(
  File "/usr/lib/python3/dist-packages/hgext/journal.py", line 96, in runcommand
    return orig(lui, repo, cmd, fullargs, *args)
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 918, in runcommand
    ret = _runcommand(ui, options, cmd, d)
  File "/usr/lib/python3/dist-packages/hgext/pager.py", line 78, in pagecmd
    return orig(ui, options, cmd, cmdfunc)
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 1285, in _runcommand
    return cmdfunc()
  File "/usr/lib/python3/dist-packages/mercurial/dispatch.py", line 1271, in <lambda>
    d = lambda: util.checksignature(func)(ui, *args, **strcmdopt)
  File "/usr/lib/python3/dist-packages/mercurial/util.py", line 1887, in check
    return func(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/mercurial/util.py", line 1887, in check
    return func(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/hgext/mq.py", line 4239, in mqcommand
    return orig(ui, repo, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/mercurial/util.py", line 1887, in check
    return func(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/mercurial/commands.py", line 4721, in log
    revs, differ = logcmdutil.getrevs(repo, walk_opts)
  File "/usr/lib/python3/dist-packages/mercurial/logcmdutil.py", line 1094, in getrevs
    revs, filematcher = makewalker(repo, wopts)
  File "/usr/lib/python3/dist-packages/mercurial/logcmdutil.py", line 1044, in makewalker
    revs = _initialrevs(repo, wopts)
  File "/usr/lib/python3/dist-packages/mercurial/logcmdutil.py", line 1032, in _initialrevs
    revs = smartset.spanset(repo)
  File "/usr/lib/python3/dist-packages/mercurial/smartset.py", line 989, in spanset
    return _spanset(start, end, ascending, repo.changelog.filteredrevs)
  File "/usr/lib/python3/dist-packages/mercurial/repoview.py", line 422, in changelog
    revs = filterrevs(unfi, self.filtername, self._visibilityexceptions)
  File "/usr/lib/python3/dist-packages/mercurial/repoview.py", line 249, in filterrevs
    repo.filteredrevcache[filtername] = func(repo.unfiltered())
  File "/usr/lib/python3/dist-packages/mercurial/repoview.py", line 105, in computehidden
    hidden = hideablerevs(repo)
  File "/usr/lib/python3/dist-packages/mercurial/repoview.py", line 44, in hideablerevs
    obsoletes = obsolete.getrevs(repo, b'obsolete')
  File "/usr/lib/python3/dist-packages/mercurial/obsolete.py", line 915, in getrevs
    repo.obsstore.caches[name] = cachefuncs[name](repo)
  File "/usr/lib/python3/dist-packages/hgext3rd/evolve/obscache.py", line 468, in <lambda>
    wrapped = lambda repo: _computeobsoleteset(orig, repo)
  File "/usr/lib/python3/dist-packages/hgext3rd/evolve/obscache.py", line 456, in _computeobsoleteset
    return orig(repo)
  File "/usr/lib/python3/dist-packages/mercurial/obsolete.py", line 948, in _computeobsoleteset
    isobs = repo.obsstore.successors.__contains__
  File "/usr/lib/python3/dist-packages/mercurial/util.py", line 1766, in __get__
    result = self.func(obj)
  File "/usr/lib/python3/dist-packages/mercurial/obsolete.py", line 742, in successors
    _addsuccessors(successors, self._all)
  File "/usr/lib/python3/dist-packages/mercurial/util.py", line 1766, in __get__
    result = self.func(obj)
  File "/usr/lib/python3/dist-packages/mercurial/obsolete.py", line 735, in _all
    markers = list(markers)
  File "/usr/lib/python3/dist-packages/mercurial/obsolete.py", line 367, in _fm1purereadmarkers
    t, secs, tz, flags, numsuc, numpar, nummeta = ufixed(data[off:o1])
struct.error: unpack requires a buffer of 19 bytes