'DEPRECATED since IPython 5.0
Enable event loop integration with pyglet.
Parameters
app : ignored
Ignored, it\'s only a placeholder to keep the call signature of all
gui activation methods consistent, which simplifies the logic of
supporting magics.
Notes
This methods sets the ``PyOS_InputHook`` for pyglet, which allows
pyglet to integrate with terminal based applications like
IPython.'

def enable(self, app=None):

    warn('This    function    is    deprecated    since    IPython    5.0    and    will    be    removed    in    future    versions.', DeprecationWarning, stacklevel=2)
    from IPython.lib.inputhookpyglet import inputhook_pyglet
    self.manager.set_inputhook(inputhook_pyglet)
    return app
