py3: fix invalid syntax
py3: fix invalid syntax

Traceback (most recent call last):
  File "./atomic", line 31, in <module>
    import Atomic
  File "atomic/Atomic/__init__.py", line 6, in <module>
    from .atomic import Atomic
  File "atomic/Atomic/atomic.py", line 471
    except dbus.exceptions.DBusException, e:
                                        ^
SyntaxError: invalid syntax

sallyom/atomic,dustymabe/atomic,rh-atomic-bot/atomic,dustymabe/atomic,charliedrage/atomic,cdrage/atomic,sallyom/atomic,charliedrage/atomic,lsm5/atomic,cdrage/atomic,rh-atomic-bot/atomic,lsm5/atomic