pip tells me: root@deblndw011x1j:/usr/ports/www/py-flask # pip check flask 2.1.0 requires importlib-metadata, which is not installed. Looking at main: https://cgit.freebsd.org/ports/tree/www/py-flask/Makefile#n36 this is correct, looking at quarterly: https://cgit.freebsd.org/ports/tree/www/py-flask/Makefile?h=2022Q2 this is wrong. Back port form main to 2022Q2 and the missing dependency problem is fixed.
^Triage: ports 428d3522c21d requires merging
Previous main is now 2022Q3 and implicitly fixed.