Version-Release number of selected component:
firewall-config-0.3.10-1.fc20

Additional info:
reporter:       libreport-2.2.2
cmdline:        /usr/bin/python -Es /usr/bin/firewall-config
executable:     /usr/bin/firewall-config
kernel:         3.15.3-200.fc20.i686
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
firewall-config:2060:onChangeZone:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 2060, in onChangeZone
    for item in rules:
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
masquerade: False
name: 'time-exceeded'
_services: []
sources: []
default: False
_icmpblocks: []
interfaces: ['p2p1', 'wlp6s0']
args: (<TreeSelection object at 0x8debdec (GtkTreeSelection at 0x8b1de90)>,)
iter: None
self: <__main__.FirewallConfig object at 0x8ad14cc>
item: ['631', 'tcp']
builtin: False
icmpblocks: []
rules: None
services: ['dhcpv6-client', 'ipp-client', 'mdns', 'ssh']
active_zone: 'public'
ports: [['631', 'udp'], ['631', 'tcp']]
forward_ports: []