pip install fails

[jameshensman]

opening a fresh notebook in colab, pip install fails with

Looking in indexes: https://pypi.org/simple, https://us-python.pkg.dev/colab-wheels/public/simple/
Collecting gtn
  Downloading gtn-0.0.1.tar.gz (14 kB)
  Preparing metadata (setup.py) ... done
Building wheels for collected packages: gtn
  error: subprocess-exited-with-error
  
  × python setup.py bdist_wheel did not run successfully.
  │ exit code: 1
  ╰─> See above for output.
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  Building wheel for gtn (setup.py) ... error
  ERROR: Failed building wheel for gtn
  Running setup.py clean for gtn
Failed to build gtn
Installing collected packages: gtn
  error: subprocess-exited-with-error
  
  × Running setup.py install for gtn did not run successfully.
  │ exit code: 1
  ╰─> See above for output.
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  Running setup.py install for gtn ... error
error: legacy-install-failure

× Encountered error while trying to install package.
╰─> gtn

note: This is an issue with the package mentioned above, not pip.
hint: See above for output from the failure.

On by local ubuntu machine, I get a similar issue with a more verbose error:

 ERROR: Command errored out with exit status 1:
   command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-ek4on_4n/gtn/setup.py'"'"'; <snip>
  running build_ext
  CMake Error: The source directory "/tmp/pip-install-ek4on_4n/gtn/src" does not appear to contain CMakeLists.txt.
  Specify --help for usage, or press the help button on the CMake GUI.
  Traceback (most recent call last):
   <snip>
  ----------------------------------------
  ERROR: Failed building wheel for gtn

my local machine is runing this version of pip:

$pip --version
pip 20.0.2 from /usr/lib/python3/dist-packages/pip (python 3.8)

[devd-99]

Facing same issue on M2 Mac.