There's a merged pull request on the void-packages repository

mftrace: update to 1.2.20
https://github.com/void-linux/void-packages/pull/14772

Description:
Patch Makefile that refers to gf2pbm.1 that doesn't exist.

Migrate package to python3:
https://github.com/hanwen/mftrace/commit/0ccbf933b27ff40b73d7e9de3c38a401a986edaf