Hi Aaron,,
sorry for the delay getting back......I've reinstalled ubuntu 20.04, followed your guidance, and get the following:

Downloading astroscrappy-1.1.0.tar.gz (368 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 368.5/368.5 kB 4.4 MB/s eta 0:00:00
Installing build dependencies ... done
Getting requirements to build wheel ... error
error: subprocess-exited-with-error

× Getting requirements to build wheel did not run successfully.
│ exit code: -4
╰─> [0 lines of output]
[end of output]

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

× Getting requirements to build wheel did not run successfully.
│ exit code: -4
╰─> See above for output.

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


The script exited abnormally, please try to run again...

Hopefully you've got an idea.......
cheers
Terry

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