Your package python-flask-script failed to build from source in current rawhide.
NOTE: build logs are cleaned up after 1 week
For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
python-flask-script-0.5.3-3.fc19 has been submitted as an update for Fedora 19.
python-flask-script-0.5.3-3.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.