Description of problem:
Normal operation, just crashed. 

Version-Release number of selected component:
dnssec-trigger-0.12-1.fc21

Additional info:
reporter:       libreport-2.2.2
cmdline:        /usr/bin/python /usr/libexec/dnssec-trigger-script --update
executable:     /usr/libexec/dnssec-trigger-script
kernel:         3.15.0-0.rc6.git0.1.fc21.x86_64
runlevel:       unknown
type:           Python
uid:            0

Truncated backtrace:
dnssec-trigger-script:258:__init__:NameError: global name 'FileNotFoundError' is not defined

Traceback (most recent call last):
  File "/usr/libexec/dnssec-trigger-script", line 435, in <module>
    Application(sys.argv).run()
  File "/usr/libexec/dnssec-trigger-script", line 349, in run
    self.method()
  File "/usr/libexec/dnssec-trigger-script", line 382, in run_update
    self.run_update_global_forwarders()
  File "/usr/libexec/dnssec-trigger-script", line 391, in run_update_global_forwarders
    servers = Store('servers')
  File "/usr/libexec/dnssec-trigger-script", line 258, in __init__
    except FileNotFoundError:
NameError: global name 'FileNotFoundError' is not defined

Local variables in innermost frame:
self: <Store(name=servers, set([]))>
name: 'servers'