Version-Release number of selected component:
firewall-config-0.3.4-1.fc20

Additional info:
reporter:       libreport-2.1.7
cmdline:        /usr/bin/python /usr/bin/firewall-config
executable:     /usr/bin/firewall-config
kernel:         3.11.0-300.fc20.x86_64
runlevel:       unknown
type:           Python
uid:            1000

Truncated backtrace:
firewall-config:1588:onChangeZone:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 1588, in onChangeZone
    for item in ports:
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
masquerade: None
name: 'vnc-server'
_services: []
default: False
interfaces: ['wlp3s0']
args: (<TreeSelection object at 0x313a9b0 (GtkTreeSelection at 0x2cc14d0)>,)
iter: None
self: <__main__.FirewallConfig object at 0x2bed610>
sources: []
builtin: False
icmpblocks: []
rules: []
services: ['mdns', 'dhcpv6-client', 'ssh']
active_zone: 'public'
ports: None
forward_ports: []