Version 1.1 is required to connect to PostgreSQL 9.2 and above. (see https://github.com/python-postgres/fe/issues/68)
python3-postgresql-1.1.0-1.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/python3-postgresql-1.1.0-1.fc20
python3-postgresql-1.1.0-1.fc19 has been submitted as an update for Fedora 19. https://admin.fedoraproject.org/updates/python3-postgresql-1.1.0-1.fc19
Package python3-postgresql-1.1.0-1.fc20: * should fix your issue, * was pushed to the Fedora 20 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing python3-postgresql-1.1.0-1.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-6495/python3-postgresql-1.1.0-1.fc20 then log in and leave karma (feedback).
python3-postgresql-1.1.0-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
python3-postgresql-1.1.0-1.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.