TooManyConcurrentRequests on interrupting 'bzr merge --pull'

[strk]

strk@gnash:~/src/gnash/gnash-head$ bzr info
Lightweight checkout (format: dirstate or dirstate-tags or pack-0.92 or rich-root or rich-root-pack)
Location:
       light checkout root: .
  repository checkout root: /home/strk/src/gnash/bzr-local-repository/trunk
        checkout of branch: bzr+ssh://<email address hidden>/gnash/trunk/
         shared repository: /home/strk/src/gnash/bzr-local-repository

Related branches:
  parent branch: bzr+ssh://<email address hidden>/gnash/trunk/
  submit branch: /home/strk/src/gnash/bzr-local-repository/trunk

strk@gnash:~/src/gnash/gnash-head$ bzr merge --pull ../bzr-local-repository/mybranch/
^C <------- killed here
bzr: ERROR: bzrlib.errors.TooManyConcurrentRequests: The medium '<bzrlib.smart.medium.SmartSSHClientMedium object at 0x849792c>' has reached its concurrent request limit. Be sure to finish_writing and finish_reading on the currently open request.

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 846, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 797, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 499, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 2914, in run
    merger.other_rev_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 165, in write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree.py", line 1493, in pull
    possible_transports=possible_transports)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 165, in write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 1769, in pull
    master_branch.unlock()
  File "/usr/lib/python2.5/site-packages/bzrlib/remote.py", line 1402, in unlock
    self._unlock(branch_token, repo_token)
  File "/usr/lib/python2.5/site-packages/bzrlib/remote.py", line 1367, in _unlock
    repo_token or '')
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/client.py", line 49, in call
    result, protocol = self.call_expecting_body(method, *args)
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/client.py", line 61, in call_expecting_body
    smart_protocol = self._build_client_protocol()
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/client.py", line 40, in _build_client_protocol
    request = self._medium.get_request()
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 476, in get_request
    return SmartClientStreamMediumRequest(self)
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 651, in __init__
    raise errors.TooManyConcurrentRequests(self._medium)
TooManyConcurrentRequests: The medium '<bzrlib.smart.medium.SmartSSHClientMedium object at 0x849792c>' has reached its concurrent request limit. Be sure to finish_writing and finish_reading on the currently open request.

bzr 1.5 on python 2.5.2 (linux2)
arguments: ['/usr/bin/bzr', 'merge', '--pull', '../bzr-local-repository/mybranch/']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  bzrtools /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [1.5.0]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [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.

[Andrew Bennetts (spiv)]

This is bug 125784, which is fixed in bzr.dev. The bzr 1.6 release will include this fix.