OS : Ubuntu 18.04
Jupyterhub : tljh
Description:
When I execute tljh-config, ContextualVersionConflict occurs.
I reinstalled Ubuntu and tljh, but it still occurs. I don’t know why.
jupyter-jhadmin@sh-VirtualBox:~$ sudo tljh-config show
Traceback (most recent call last):
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 574, in _build_master
ws.require(requires)
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 892, in require
needed = self.resolve(parse_requirements(requirements))
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 783, in resolve
raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.ContextualVersionConflict: (chardet 4.0.0 (/opt/tljh/hub/lib/python3.6/site-packages), Requirement.parse(‘chardet<4.0,>=2.0’), {‘aiohttp’})
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “/usr/bin/tljh-config”, line 6, in
from pkg_resources import load_entry_point
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 3088, in
@_call_aside
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 3072, in _call_aside
f(*args, **kwargs)
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 3101, in _initialize_master_working_set
working_set = WorkingSet._build_master()
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 576, in _build_master
return cls._build_from_requirements(requires)
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 589, in _build_from_requirements
dists = ws.resolve(reqs, Environment())
File “/opt/tljh/hub/lib/python3.6/site-packages/pkg_resources/init.py”, line 783, in resolve
raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.ContextualVersionConflict: (chardet 4.0.0 (/opt/tljh/hub/lib/python3.6/site-packages), Requirement.parse(‘chardet<4.0,>=2.0’), {‘aiohttp’})