I'm trying to setup the cull idle service, and am running into the
following error:
[I 2018-04-24 13:52:44.679 JupyterHub service:266] Starting service
'cull-idle': ['python3', '/etc/jupyterhub/cull_idle_servers.py',
'--timeout=3600']
[I 2018-04-24 13:52:44.682 JupyterHub service:109] Spawning python3
/etc/jupyterhub/cull_idle_servers.py --timeout=3600
File "/etc/jupyterhub/cull_idle_servers.py", line 78
return f"{h:02}:{m:02}:{seconds:02}"
^
SyntaxError: invalid syntax
Running it directly from the command line returns the same error.
# python3 cull_idle_servers.py
File "cull_idle_servers.py", line 78
return f"{h:02}:{m:02}:{seconds:02}"
^
SyntaxError: invalid syntax
This is using the current file downloaded today from
https://github.com/jupyterhub/jupyterhub/blob/master/examples/cull-idle/cull_idle_servers.py
Has anyone else run into this and have suggestions?
Thanks,
-Dj
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