Project author and repo admin passed away

[ryanfaircloth]

Ref: https://lists.openstack.org/pipermail/openstack-discuss/2022-August/030062.html

While there are multiple forks https://github.com/pysnmp is actively maintained and used today with many updates. It is unlikely any resolution to issues in the original author's legacy repo will occur. Please select a fork and contribute there