This port will be removed on 2020-12-31 if not fixed
This seems to have a newer version upstream which supports Python 3.
Created attachment 218895 [details] patch to update port Here's a patch to update the port.
A commit references this bug: Author: rene Date: Wed Nov 18 11:29:31 UTC 2020 New revision: 555635 URL: https://svnweb.freebsd.org/changeset/ports/555635 Log: devel/py-meliae: update to 0.5.1 This version uses Python 3 so undeprecate the port. Limit it up to Python 3.8 as it fails to compile on Python 3.9: meliae/_scanner.c:3388:46: error: use of undeclared identifier 'PyGC_Head' __pyx_t_1 = __Pyx_PyInt_FromSize_t((sizeof(PyGC_Head))); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 52, __pyx_L1_error) ^ Comment out the license file as it is not shipped in the distribution. PR: 249642 Submitted by: swills Approved by: maintainer timeout (sbz, 1 month) Changes: head/devel/py-meliae/Makefile head/devel/py-meliae/distinfo
Patch committed with minor modifications.