Launching https://mybinder.org/v2/gh/diana-hep/pyhf/master?filepath=docs%2Fexamples%2Fnotebooks%2Fbinderexample%2FStatisticalAnalysis.ipynb leads to the below stdout

stdout.log

$ kubectl logs -f jupyter-diana-2dhep-2dpyhf-2d652kacgz                                                                                                   (sk-phoebe)
[I 13:08:48.908 NotebookApp] Writing notebook server cookie secret to /home/jovyan/.local/share/jupyter/runtime/notebook_cookie_secret
[I 13:08:49.393 NotebookApp] JupyterLab extension loaded from /srv/conda/lib/python3.6/site-packages/jupyterlab
[I 13:08:49.393 NotebookApp] JupyterLab application directory is /srv/conda/share/jupyter/lab
[I 13:08:50.390 NotebookApp] nteract extension loaded from /srv/conda/lib/python3.6/site-packages/nteract_on_jupyter
[I 13:08:50.393 NotebookApp] Will shut down after 600 seconds with no kernels or terminals.
[I 13:08:50.395 NotebookApp] Serving notebooks from local directory: /home/jovyan
[I 13:08:50.395 NotebookApp] The Jupyter Notebook is running at:
[I 13:08:50.395 NotebookApp] http://(jupyter-diana-2dhep-2dpyhf-2d652kacgz or 127.0.0.1):8888/user/diana-hep-pyhf-652kacgz/?token=...
[I 13:08:50.395 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[W 13:08:50.405 NotebookApp] No web browser found: could not locate runnable browser.
[I 13:08:50.408 NotebookApp] 302 GET /user/diana-hep-pyhf-652kacgz/ (10.12.5.52) 1.01ms
[I 13:08:52.708 NotebookApp] 302 GET /user/diana-hep-pyhf-652kacgz/tree/docs/examples/notebooks/binderexample/StatisticalAnalysis.ipynb?token=cn_NxV_IQMWvlKm4nntIWw (62.12.148.6) 4.77ms
[I 13:08:58.362 NotebookApp] Writing notebook-signing key to /home/jovyan/.local/share/jupyter/notebook_secret
[W 13:08:58.403 NotebookApp] Notebook docs/examples/notebooks/binderexample/StatisticalAnalysis.ipynb is not trusted
[I 13:09:02.943 NotebookApp] Kernel started: 82d4cada-c31e-42b6-b892-22bca29331f7
[I 13:09:02.944 NotebookApp] Culling kernels with idle durations > 600 seconds at 60 second intervals ...
[I 13:09:02.944 NotebookApp] Culling kernels even with connected clients
Traceback (most recent call last):
  File "/srv/conda/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/srv/conda/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/srv/conda/lib/python3.6/site-packages/ipykernel_launcher.py", line 15, in <module>
    from ipykernel import kernelapp as app
  File "/srv/conda/lib/python3.6/site-packages/ipykernel/__init__.py", line 2, in <module>
    from .connect import *
  File "/srv/conda/lib/python3.6/site-packages/ipykernel/connect.py", line 13, in <module>
    from IPython.core.profiledir import ProfileDir
  File "/srv/conda/lib/python3.6/site-packages/IPython/__init__.py", line 55, in <module>
    from .terminal.embed import embed
  File "/srv/conda/lib/python3.6/site-packages/IPython/terminal/embed.py", line 16, in <module>
    from IPython.terminal.interactiveshell import TerminalInteractiveShell
  File "/srv/conda/lib/python3.6/site-packages/IPython/terminal/interactiveshell.py", line 18, in <module>
    from prompt_toolkit.document import Document
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/__init__.py", line 16, in <module>
    from .interface import CommandLineInterface
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/interface.py", line 19, in <module>
    from .application import Application, AbortAction
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/application/__init__.py", line 2, in <module>
    from .application import Application
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/application/application.py", line 3, in <module>
    from prompt_toolkit.buffer import Buffer
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/buffer.py", line 9, in <module>
    from .completion import Completer, Completion, CompleteEvent
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/completion/__init__.py", line 2, in <module>
    from .base import Completion, Completer, ThreadedCompleter, DummyCompleter, DynamicCompleter, CompleteEvent, merge_completers, get_common_complete_suffix
  File "/srv/conda/lib/python3.6/site-packages/prompt_toolkit/completion/base.py", line 4, in <module>
    from prompt_toolkit.eventloop import generator_to_async_generator, AsyncGeneratorItem
ImportError: cannot import name 'generator_to_async_generator'