can't install pyobjc on raspberry pi

[AndreLaurin-cyber]

Collecting pyobjc-core==8.5
Using cached pyobjc-core-8.5.tar.gz (788 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error

× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [2 lines of output]
running egg_info
error: PyObjC requires macOS to build
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

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