The current version of the TaskCoach package (taskcoach-1.3.37-1.fc20.noarch) has a missing dependency on python-twisted-core. An attempt to launch the taskcoach binary ends with an exception (missing module twisted.internet for import) if the python-twisted-core is not installed.
Right. Thanks for the report!
taskcoach-1.3.37-2.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/taskcoach-1.3.37-2.fc20
Package taskcoach-1.3.37-2.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 taskcoach-1.3.37-2.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-5259/taskcoach-1.3.37-2.fc20 then log in and leave karma (feedback).
*** Bug 1089430 has been marked as a duplicate of this bug. ***
taskcoach-1.3.37-2.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.