ANoise 0.0.25 will not start on Ubuntu 16.04

ANoise 0.0.25 doesn't work on Ubuntu 16.04.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04
Codename: xenial

$ apt-cache policy anoise
anoise:
  Installed: 0.0.25
  Candidate: 0.0.25
  Version table:
 *** 0.0.25 500
        500 http://ppa.launchpad.net/costales/anoise/ubuntu xenial/main amd64 Packages
        500 http://ppa.launchpad.net/costales/anoise/ubuntu xenial/main i386 Packages
        100 /var/lib/dpkg/status

$ anoise
/usr/share/anoise/anoise.py:20: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk, GObject, Gst
/usr/share/anoise/anoise.py:20: PyGIWarning: Gst was imported without specifying a version first. Use gi.require_version('Gst', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk, GObject, Gst
Traceback (most recent call last):
  File "/usr/share/anoise/anoise.py", line 24, in <module>
    from preferences import Preferences
  File "/usr/share/anoise/preferences.py", line 21, in <module>
    from gi.repository import Gtk, WebKit
ImportError: cannot import name WebKit

Installing the package python-webkit doesn't help.