opaque error when running data-science-stack create-conda-env tmp

[mattf]

$ ./data-science-stack create-conda-env tmp
###NV### Tue 09 Feb 2021 12:34:24 AM EST #### Conda detected: 4.9.2
###NV### Tue 09 Feb 2021 12:34:24 AM EST #### Conda root: /mnt/ssd/miniconda3
###NV### Tue 09 Feb 2021 12:34:24 AM EST #### START Setup Conda Env - env:tmp => tmp-2.8.0-dev

SpecNotFound: Invalid name, try the format: user/package

Could not find conda environment: tmp-2.8.0-dev
You can list all discoverable environments with `conda info --envs`.

Traceback (most recent call last):
  File "/mnt/ssd/miniconda3/bin/jupyter", line 11, in <module>
    sys.exit(main())
  File "/mnt/ssd/miniconda3/lib/python3.8/site-packages/jupyter_core/command.py", line 285, in main
    command = _jupyter_abspath(subcommand)
  File "/mnt/ssd/miniconda3/lib/python3.8/site-packages/jupyter_core/command.py", line 124, in _jupyter_abspath
    raise Exception(
Exception: Jupyter command `jupyter-labextension` not found.
###NV### Tue 09 Feb 2021 12:34:25 AM EST #### END Setup Conda Env
###NV### Tue 09 Feb 2021 12:34:25 AM EST #### Next you can run: data-science-stack run-jupyter

i would expect an error message that "tmp" isn't a known environment.