Nectar

File "/usr/lib/python2.7/site-packages/celery/app/trace.py", line 240, in trace_task
        R = retval = fun(*args, **kwargs)
      File "/usr/lib/python2.7/site-packages/pulp/server/async/tasks.py", line 473, in __call__
        return super(Task, self).__call__(*args, **kwargs)
      File "/usr/lib/python2.7/site-packages/pulp/server/async/tasks.py", line 103, in __call__
        return super(PulpTask, self).__call__(*args, **kwargs)
      File "/usr/lib/python2.7/site-packages/celery/app/trace.py", line 437, in __protected_call__
        return self.run(*args, **kwargs)
      File "/usr/lib/python2.7/site-packages/pulp/server/controllers/repository.py", line 762, in sync
        sync_report = sync_repo(transfer_repo, conduit, call_config)
      File "/usr/lib/python2.7/site-packages/pulp/server/async/tasks.py", line 658, in wrap_f
        return f(*args, **kwargs)
      File "/usr/lib/python2.7/site-packages/pulp_rpm/plugins/importers/yum/importer.py", line 80, in sync_repo
        self._current_sync = sync.RepoSync(repo, sync_conduit, call_config)
      File "/usr/lib/python2.7/site-packages/pulp_rpm/plugins/importers/yum/sync.py", line 86, in __init__
        self.nectar_config = nectar_utils.importer_config_to_nectar_config(config.flatten())
      File "/usr/lib/python2.7/site-packages/pulp/plugins/util/nectar_config.py", line 97, in importer_config_to_nectar_config
        download_config = DownloaderConfig(**download_config_kwargs)
      File "/usr/lib/python2.7/site-packages/nectar/config.py", line 136, in __init__
        self._process_ssl_settings()
      File "/usr/lib/python2.7/site-packages/nectar/config.py", line 175, in _process_ssl_settings
        os.write(data_arg_os_handle, data_arg_value)
    UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 76773: ordinal not in range(128)

It happens when Nectar is trying to write a provided SSL cert/key/CA on a disk.