python-flask-sqlalchemy can't be used without python-sqlalchemy, so a Requires should be added to the RPM.
python-flask-sqlalchemy-0.14-4.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/python-flask-sqlalchemy-0.14-4.fc18
python-flask-sqlalchemy-0.14-4.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/python-flask-sqlalchemy-0.14-4.fc17
Package python-flask-sqlalchemy-0.14-4.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing python-flask-sqlalchemy-0.14-4.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-12335/python-flask-sqlalchemy-0.14-4.fc18 then log in and leave karma (feedback).
python-flask-sqlalchemy-0.16-1.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/python-flask-sqlalchemy-0.16-1.fc18
python-flask-sqlalchemy-0.16-1.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.