Description of problem:
Firewalld not configured

Version-Release number of selected component:
firewall-config-0.3.13-2.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python -Es /usr/bin/firewall-config
executable:     /usr/bin/firewall-config
kernel:         3.19.3-200.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
firewall-config:4368:load_lockdown_whitelist:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 1069, in settings_show_lockdown_whitelist_changed
    self.load_lockdown_whitelist()
  File "/usr/bin/firewall-config", line 4368, in load_lockdown_whitelist
    for context in contexts:
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
contexts: None
commands: None
uids: None
self: <__main__.FirewallConfig object at 0x7f887d2157d0>
users: None