Error during installation

Hi! Trying to install, but get an error:

dzarlax@Jupiter:~$ curl https://raw.githubusercontent.com/jupyterhub/the-littlest-jupyterhub/master/bootstrap/bootstrap.py | sudo python3 - --admin dzarlax
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2682  100  2682    0     0  13211      0 --:--:-- --:--:-- --:--:-- 13211
Checking if TLJH is already installed...
TLJH already installed, upgrading...
Upgrading TLJH installer...
Setup tljh package
Starting TLJH installer...
Setting up admin users
Granting passwordless sudo to JupyterHub admins...
Setting up user environment...
Traceback (most recent call last):
  File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/opt/tljh/hub/lib/python3.6/site-packages/tljh/installer.py", line 432, in <module>
    main()
  File "/opt/tljh/hub/lib/python3.6/site-packages/tljh/installer.py", line 413, in main
    ensure_user_environment(args.user_requirements_txt_url)
  File "/opt/tljh/hub/lib/python3.6/site-packages/tljh/installer.py", line 229, in ensure_user_environment
    'conda==4.5.8'
  File "/opt/tljh/hub/lib/python3.6/site-packages/tljh/conda.py", line 103, in ensure_conda_packages
    output = json.loads(filtered_output.lstrip('\x00'))
  File "/usr/lib/python3.6/json/__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python3.6/json/decoder.py", line 342, in decode
    raise JSONDecodeError("Extra data", s, end)
json.decoder.JSONDecodeError: Extra data: line 7 column 1 (char 82)

[wrightaprilm]

I have the same issue on Ubuntu 18.04, working from this tutorial on my own server.

[yuvipanda]

Thanks for opening the issue, @dzarlax! Can you tell me what base operating system this is using? Did you follow one of our cloud provider guides or is this on a system by itself?