The export requires "Installation of Missing Dependent Programs", but the installation seems to have failed?

The export requires “Installation of Missing Dependent Programs”, but the installation seems to have failed?

Collecting opentimelineio
Using cached OpenTimelineIO-0.15.0.tar.gz (5.1 MB)
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
Preparing metadata (pyproject.toml): started
Preparing metadata (pyproject.toml): finished with status 'done'
Collecting pyaaf2<1.7,>=1.4 (from opentimelineio)
Using cached pyaaf2-1.6.0-py2.py3-none-any.whl.metadata (2.9 kB)
Using cached pyaaf2-1.6.0-py2.py3-none-any.whl (103 kB)
Building wheels for collected packages: opentimelineio
Building wheel for opentimelineio (pyproject.toml): started
Building wheel for opentimelineio (pyproject.toml): finished with status 'error'
Failed to build opentimelineio
Installing missing packages: {'opentimelineio'}

Unfortunately the OpenTimelineIO interface is not working. Dev’s working on a solution.