User feedback on filtered views UI needed please

[Talden]

> See http://bazaar-vcs.org/FilteredViews for information
> on how filtered views are proposed to work and how to
> test them. I've submitted an updated patch to the mailing
> list to make it easier to apply to the current bzr.dev.
> Alternatively, you can grab the branch from
> lp:~ian-clatworthy/bzr/bzr.views.

I got the patch applied to bzr.dev r4000.  The instructions on the
webpage to upgrade to wt5 don't work for me though

Branching my bzr.dev into a new repo of the default format I tried to
upgrade to wt5 as per instructions and get an error

Here's some shell output

-------------------------------------------
C:\>bzrfv init-repo fvtest
Shared repository with trees (format: pack-0.92)
Location:
  shared repository: fvtest

C:\>cd fvtest

C:\fvtest>bzrfv branch ..\bazaar\rb\bzr.dev bar
Branched 4000 revision(s).

C:\fvtest>bzrfv upgrade --development-wt5
bzr: ERROR: exceptions.AttributeError: 'module' object has no
attribute 'WorkingTreeFormat4'

Traceback (most recent call last):
  File "c:\bazaar\bzrfv\bzrlib\commands.py", line 893, in run_bzr_catch_errors
  File "c:\bazaar\bzrfv\bzrlib\commands.py", line 839, in run_bzr
  File "c:\bazaar\bzrfv\bzrlib\commands.py", line 512, in run_argv_aliases
  File "c:\bazaar\bzrfv\bzrlib\commands.py", line 591, in parse_args
  File "c:\tools\misc\Python25\lib\optparse.py", line 1385, in parse_args
    stop = self._process_args(largs, rargs, values)
  File "c:\tools\misc\Python25\lib\optparse.py", line 1425, in _process_args
    self._process_long_opt(rargs, values)
  File "c:\tools\misc\Python25\lib\optparse.py", line 1500, in _process_long_opt
    option.process(opt, value, values, self)
  File "c:\tools\misc\Python25\lib\optparse.py", line 782, in process
    self.action, self.dest, opt, value, values, parser)
  File "c:\tools\misc\Python25\lib\optparse.py", line 802, in take_action
    self.callback(self, opt, value, parser, *args, **kwargs)
  File "c:\bazaar\bzrfv\bzrlib\option.py", line 393, in cb
  File "c:\bazaar\bzrfv\bzrlib\option.py", line 307, in convert
  File "c:\bazaar\bzrfv\bzrlib\builtins.py", line 2691, in <lambda>
  File "c:\bazaar\bzrfv\bzrlib\bzrdir.py", line 2819, in make_bzrdir
  File "c:\bazaar\bzrfv\bzrlib\bzrdir.py", line 2767, in helper
  File "c:\bazaar\bzrfv\bzrlib\bzrdir.py", line 2752, in _load
  File "c:\bazaar\bzrfv\bzrlib\workingtree_4.py", line 97, in <module>
  File "c:\bazaar\bzrfv\bzrlib\workingtree.py", line 2963, in <module>
  File "c:\bazaar\bzrfv\bzrlib\lazy_import.py", line 122, in __call__
  File "c:\bazaar\bzrfv\bzrlib\lazy_import.py", line 89, in _replace
  File "c:\bazaar\bzrfv\bzrlib\lazy_import.py", line 193, in _import
AttributeError: 'module' object has no attribute 'WorkingTreeFormat4'

bzr 1.13dev on python 2.5.2 (win32)
arguments: ['c:\\bazaar\\bzrfv\\bzr', 'upgrade', '--development-wt5']
encoding: 'cp1252', fsenc: 'mbcs', lang: None
plugins:
  launchpad            c:\bazaar\bzrfv\bzrlib\plugins\launchpad [unknown]
  netrc_credential_store
c:\bazaar\bzrfv\bzrlib\plugins\netrc_credential_store [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.
-------------------------------------------

What'd I miss?

--
Talden