The package system-config-kickstart seems to require pykickstart, but it doesn't appear to have been pulled in during the yum install:
[root@xm-fc7-001 tmp]# yum list "*kickstart*" Installed Packages system-config-kickstart.noarch 2.7.4-1.fc7 installed Available Packages pykickstart.noarch 0.100-1.fc7 development