$ bzr push
Using saved location: bzr+ssh://bzr.fedorahosted.org/bzr/python-fedora/python-fedora-devel/
Enter passphrase for key '/home/fedora/toshio/.ssh/id_rsa': 
Traceback (most recent call last):
  File "/usr/bin/bzr", line 117, in ?
    sys.stdout.flush()
ValueError: I/O operation on closed file
bzr: ERROR: bzrlib.errors.TooManyConcurrentRequests: The medium '<bzrlib.smart.medium.SmartSSHClientMedium object at 0x2aaab2a7a310>' 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/lib64/python2.4/site-packages/bzrlib/commands.py", line 802, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib64/python2.4/site-packages/bzrlib/commands.py", line 758, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib64/python2.4/site-packages/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib64/python2.4/site-packages/bzrlib/builtins.py", line 824, in run
    push_result = br_from.push(br_to, overwrite)
  File "/usr/lib64/python2.4/site-packages/bzrlib/decorators.py", line 127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib64/python2.4/site-packages/bzrlib/branch.py", line 1571, in push
    target.unlock()
  File "/usr/lib64/python2.4/site-packages/bzrlib/remote.py", line 1168, in unlock
    self._unlock(branch_token, repo_token)
  File "/usr/lib64/python2.4/site-packages/bzrlib/remote.py", line 1134, in _unlock
    repo_token or '')
  File "/usr/lib64/python2.4/site-packages/bzrlib/smart/client.py", line 33, in call
    result, protocol = self.call_expecting_body(method, *args)
  File "/usr/lib64/python2.4/site-packages/bzrlib/smart/client.py", line 45, in call_expecting_body
    request = self.get_smart_medium().get_request()
  File "/usr/lib64/python2.4/site-packages/bzrlib/smart/medium.py", line 410, in get_request
    return SmartClientStreamMediumRequest(self)
  File "/usr/lib64/python2.4/site-packages/bzrlib/smart/medium.py", line 578, in __init__
    raise errors.TooManyConcurrentRequests(self._medium)
TooManyConcurrentRequests: The medium '<bzrlib.smart.medium.SmartSSHClientMedium object at 0x2aaab2a7a310>' has reached its concurrent request limit. Be sure to finish_writing and finish_reading on the currently open request.

bzr 1.0.0.candidate.3 on python 2.4.4.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'push']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  gnulog               /home/fedora/toshio/.bazaar/plugins/gnulog.pyc [unknown]
  launchpad            /usr/lib64/python2.4/site-packages/bzrlib/plugins/launchpad [unknown]
  multiparent          /usr/lib64/python2.4/site-packages/bzrlib/plugins/multiparent.pyc [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.