KeyError: 'pipeline' when running ns-train

Describe the bug I just did a fresh install of Anaconda3 & nerf studio, following the guide at https://docs.nerf.studio/en/latest/quickstart/installation.html

When running ns-train, even without any arguments, I get the following error:

Traceback (most recent call last):
  File "/home/josh/anaconda3/envs/nerfstudio/bin/ns-train", line 8, in <module>
    sys.exit(entrypoint())
  File "/home/josh/anaconda3/envs/nerfstudio/lib/python3.8/site-packages/scripts/train.py", line 249, in entrypoint
    tyro.cli(
  File "/home/josh/anaconda3/envs/nerfstudio/lib/python3.8/site-packages/tyro/_cli.py", line 125, in cli
    _cli_impl(
  File "/home/josh/anaconda3/envs/nerfstudio/lib/python3.8/site-packages/tyro/_cli.py", line 289, in _cli_impl
    parser_definition.apply(parser)
  File "/home/josh/anaconda3/envs/nerfstudio/lib/python3.8/site-packages/tyro/_parsers.py", line 241, in apply
    prev_subparser_tree_nodes = subparsers.apply(
  File "/home/josh/anaconda3/envs/nerfstudio/lib/python3.8/site-packages/tyro/_parsers.py", line 499, in apply
    subparser_def.apply(subparser)
  File "/home/josh/anaconda3/envs/nerfstudio/lib/python3.8/site-packages/tyro/_parsers.py", line 235, in apply
    arg.add_argument(group_from_prefix[arg.prefix])
KeyError: 'pipeline'

To Reproduce Not sure exactly how to reproduce, other than to follow the installation instructions.

Additional context Running in WSL2, Ubuntu 20.04.4, Anaconda 22.9.0, and nerfstudio 0.1.7 is installed - I tried with 0.1.6 as well.

Weirdly, this was working yesterday with a previous installation on the same machine. I reinstalled Anaconda and the nerfstudio env to try to fix an instant-ngp issue, but nerfacto was working yesterday.

Any thoughts on what could be going on here?

[enbyautumn]

i used the command pip install --upgrade tyro==0.3.27 to do that (to save a few seconds of googling for anyone here)

[brentyi]

Just yanked 0.3.28 from PyPI, sorry for the inconvenience!

Will make sure whatever’s causing this is in tyro’s unit tests before re-releasing.