[2.8.0dev1] git-import plugin fails with dulwich InvalidWants error

Command invocation:
$ bzr git-import https://gitlab.gnome.org/GNOME/perl-gnome2-vte.git

Output produced:
bzr: ERROR: dulwich.client.InvalidWants: requested wants not in server provided refs: set(['e7e9d92476cf7cd4de93056968dc7ed1d4ae7f05', '67f5fc998cbb583be810213a6b06950e396e379f', '6450b50980e6dffd878b2b40c8587fabad559281'])

Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
return the_callable(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, in run_bzr
ret = run(*run_argv)
File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in run_argv_aliases
return self.run(**all_cmd_args)
File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 697, in run
return self._operation.run_simple(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in run_simple
self.cleanups, self.func, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
result = func(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/git/commands.py", line 122, in run
refs = interrepo.fetch()
File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/git/fetch.py", line 658, in fetch
mapping)
File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/git/fetch.py", line 715, in fetch_objects
progress=lambda text: report_git_progress(pb, text))
File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/git/remote.py", line 461, in fetch_objects
lambda x: os.write(fd, x), progress)
File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/git/remote.py", line 451, in fetch_pack
pack_data, progress)
File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/git/remote.py", line 270, in fetch_pack
graph_walker, pack_data, progress)
File "/usr/lib/python2.7/dist-packages/dulwich/client.py", line 1655, in fetch_pack
check_wants(wants, refs)
File "/usr/lib/python2.7/dist-packages/dulwich/client.py", line 680, in check_wants
raise InvalidWants(missing)

InvalidWants: requested wants not in server provided refs: set(['e7e9d92476cf7cd4de93056968dc7ed1d4ae7f05', '67f5fc998cbb583be810213a6b06950e396e379f', '6450b50980e6dffd878b2b40c8587fabad559281'])

bzr 2.8.0dev1 on python 2.7.16 (Linux-5.0.0-21-generic-x86_64-with-
Ubuntu-19.04-disco)

arguments: ['/usr/bin/bzr', 'git-import', 'https://gitlab.gnome.org/GNOME
/perl-gnome2-vte.git']

plugins: bash_completion[2.8.0dev1], builddeb[2.8.6], builder[0.7.3],
bzrtools[2.6.0], changelog_merge[2.8.0dev1], etckeeper[unknown],
explorer[1.3.0], fastimport[0.14.0dev], git[0.6.12], grep[2.8.0dev1],
launchpad[2.8.0dev1], netrc_credential_store[2.8.0dev1],
news_merge[2.8.0dev1], po_merge[2.8.0dev1], qbzr[0.23.2],
search[1.7.0dev], stats[0.2.0dev], weave_fmt[2.8.0dev1]

encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'