[requestsync] Traceback when password is wrong

[Artur Rona]

Binary package hint: ubuntu-dev-tools

Tye wrong password while using requestsync --lp.

Traceback (most recent call last):
  File "/usr/bin/requestsync", line 328, in <module>
    main()
  File "/usr/bin/requestsync", line 148, in main
    Launchpad.login(service=options.lpinstance)
  File "/usr/lib/python2.7/dist-packages/ubuntutools/lp/lpapicache.py", line 61, in login
    version=api_version)
  File "/usr/lib/pymodules/python2.7/launchpadlib/launchpad.py", line 538, in login_with
    credential_save_failed, version)
  File "/usr/lib/pymodules/python2.7/launchpadlib/launchpad.py", line 345, in _authorize_token_and_login
    credentials = authorization_engine(credentials, credential_store)
  File "/usr/lib/pymodules/python2.7/launchpadlib/credentials.py", line 465, in __call__
    credential_store.save(credentials, self.unique_consumer_id)
  File "/usr/lib/pymodules/python2.7/launchpadlib/credentials.py", line 244, in save
    raise e
keyring.backend.PasswordSetError

[Stefano Rivera (stefanor)]

Reassigning to python-keyring, which is the cause of the underlying bug

[Stefano Rivera (stefanor)]

Upstream bug: https://bitbucket.org/kang/python-keyring-lib/issue/40/failures-happen-at-random-points-in-the