)> py27-psycopg2-2.6.1_1 databases/py-psycopg2 py35-psycopg2-2.6.1_1 databases/py-psycopg2 Looks like you have copied the py27 port to py35 Have you add it to the database/Makefile? (and that is problematic, cause it could be overwritten by next update).