--- Logging error ---
Traceback (most recent call last):
  File "/opt/conda/lib/python3.6/logging/__init__.py", line 994, in emit
    stream.write(msg)
UnicodeEncodeError: 'ascii' codec can't encode character '\u2192' in position 233: ordinal not in range(128)
Call stack:
  File "/opt/conda/bin/jupyter-labhub", line 6, in <module>
    sys.exit(jupyterlab.labhubapp.main())
  File "/opt/conda/lib/python3.6/site-packages/jupyterlab/labhubapp.py", line 32, in main
    return SingleUserLabApp.launch_instance(argv)
  File "/home/willingc/.local/lib/python3.6/site-packages/jupyter_core/application.py", line 266, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/home/willingc/.local/lib/python3.6/site-packages/traitlets/config/application.py", line 658, in launch_instance
    app.start()
  File "/opt/conda/lib/python3.6/site-packages/jupyterhub/singleuser.py", line 368, in start
    super(SingleUserNotebookApp, self).start()
  File "/home/willingc/.local/lib/python3.6/site-packages/notebook/notebookapp.py", line 1496, in start
    self.io_loop.start()
  File "/home/willingc/.local/lib/python3.6/site-packages/zmq/eventloop/ioloop.py", line 177, in start
    super(ZMQIOLoop, self).start()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/ioloop.py", line 832, in start
    self._run_callback(self._callbacks.popleft())
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/ioloop.py", line 605, in _run_callback
    ret = callback()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/stack_context.py", line 277, in null_wrapper
    return fn(*args, **kwargs)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/gen.py", line 1152, in inner
    self.run()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/gen.py", line 1069, in run
    yielded = self.gen.send(value)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/http1connection.py", line 238, in _read_message
    delegate.finish()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/httpserver.py", line 314, in finish
    self.delegate.finish()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/routing.py", line 251, in finish
    self.delegate.finish()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 2097, in finish
    self.execute()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 2130, in execute
    **self.path_kwargs)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/gen.py", line 307, in wrapper
    yielded = next(result)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 1510, in _execute
    result = method(*self.path_args, **self.path_kwargs)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/gen.py", line 292, in wrapper
    result = func(*args, **kwargs)
  File "/opt/conda/lib/python3.6/types.py", line 248, in wrapped
    coro = func(*args, **kwargs)
  File "/opt/conda/lib/python3.6/site-packages/jupyterhub/services/auth.py", line 820, in get
    self.redirect(next_url or self.hub_auth.base_url)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 689, in redirect
    self.finish()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 994, in finish
    self._log()
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 1541, in _log
    self.application.log_request(self)
  File "/home/willingc/.local/lib/python3.6/site-packages/tornado/web.py", line 2054, in log_request
    self.settings["log_function"](handler)
  File "/opt/conda/lib/python3.6/site-packages/jupyterhub/log.py", line 122, in log_request
    log_method(msg.format(**ns))