cant pull from debian experimental

[jarred wilson]

when attempting to pull the debs from debian experimental I get:

$ pull-debian-debs mutter experimental -v
pullpkg options: {'login': False, 'verbose': 1, 'download_only': False, 'mirror': None, 'no_conf': False, 'no_verify_signature': False, 'status': [], 'arch': 'amd64', 'pull': 'debs', 'distro': 'debian', 'package': 'mutter', 'release': 'experimental', 'version': None, 'ppa': None, 'security': False, 'upload_queue': False}
Parsed release 'experimental' pocket 'None'
Using distro 'debian' release 'experimental' pocket 'None'
Found mutter 46.2-1 in experimental
Traceback (most recent call last):
  File "/usr/bin/pull-debian-debs", line 14, in <module>
    PullPkg.main(distro="debian", pull="debs")
  File "/usr/lib/python3/dist-packages/ubuntutools/pullpkg.py", line 111, in main
    cls(*args, **kwargs).pull()
  File "/usr/lib/python3/dist-packages/ubuntutools/pullpkg.py", line 449, in pull
    for key in srcpkg.dsc.keys():
               ^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 316, in dsc
    self._download_file_from_urls(urls, tmpdsc)
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 436, in _download_file_from_urls
    for url in urls:
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 635, in _source_urls
    for url in super()._source_urls(name):
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 356, in _source_urls
    yield self._mirror_url(server, self.component, name)
                                   ^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 630, in component
    self._component = Snapshot.getComponent(self.source, self.version)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 990, in getComponent
    response = self.load(f"{url}?fileinfo=1")
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/ubuntutools/archive.py", line 937, in load
    with closing(urlopen(url)) as data:
                 ^^^^^^^^^^^^
  File "/usr/lib/python3.12/urllib/request.py", line 215, in urlopen
    return opener.open(url, data, timeout)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/urllib/request.py", line 521, in open
    response = meth(req, response)
               ^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/urllib/request.py", line 630, in http_response
    response = self.parent.error(
               ^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/urllib/request.py", line 559, in error
    return self._call_chain(*args)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/urllib/request.py", line 492, in _call_chain
    result = func(*args)
             ^^^^^^^^^^^
  File "/usr/lib/python3.12/urllib/request.py", line 639, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 404: NOT FOUND

so it finds the package but fails to download it. this is on ubuntu-dev-tools (0.201ubuntu2)