Error with Python 3

[dubierthomas]

installed with pip3 install python-systemd-dbus
from systemd_dbus.manager import Manager
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python3.4/site-packages/systemd_dbus/manager.py", line 23, in
from systemd_dbus.unit import Unit, Service
File "/usr/lib/python3.4/site-packages/systemd_dbus/unit.py", line 25, in
from systemd_dbus.exceptions import SystemdError, raise_systemd_error
File "/usr/lib/python3.4/site-packages/systemd_dbus/exceptions.py", line 43
except dbus.exceptions.DBusException, error:
^
SyntaxError: invalid syntax