Error when I try to install it via pip

[ashdxt]

 TypeError: expected str, bytes or os.PathLike object, not NoneType
  [end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for perspective-python
Building wheel for future (setup.py) ... done
Created wheel for future: filename=future-0.18.2-py3-none-any.whl size=491104 sha256=11585fe6f14b664932c3793652ae5949bf5a11a8ac21d5989b9b4b394fb82c55
Stored in directory: C:\Users\zas\AppData\Local\Temp\pip-ephem-wheel-cache-fn_fbe57\wheels\dc\16\09\eb08b4e34e6b638f113d2018cf0b22de1d8dca22a3a71873f7
Successfully built future
Failed to build perspective-python
ERROR: Could not build wheels for perspective-python, which is required to install pyproject.toml-based projects

I get the following error when I try to install it on python please advise

[timkpaine]

You're probably installing from the sdist and it's complaining about not finding cmake and/or compilers.

see #1376 (comment)

[texodus]

I've opened #2063 to fix this - I was personally burned by this today as well.