cant install via pip

[sugizo]

pip install -U fretboard

Collecting fretboard
  Downloading fretboard-1.0.0-py2.py3-none-any.whl (8.3 kB)
Collecting attrdict==2.0.0 (from fretboard)
  Downloading attrdict-2.0.0.tar.gz (9.0 kB)
  Preparing metadata (setup.py) ... done
Collecting svgwrite==1.1.9 (from fretboard)
  Downloading svgwrite-1.1.9-py3-none-any.whl (132 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 133.0/133.0 kB 3.9 MB/s eta 0:00:00
Collecting PyYAML==3.12 (from fretboard)
  Downloading PyYAML-3.12.zip (375 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 375.8/375.8 kB 16.7 MB/s eta 0:00:00
  error: subprocess-exited-with-error
  
  × python setup.py egg_info 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.
  Preparing metadata (setup.py) ... error
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.

best regards