How to use the blinker.Signal.send function in blinker

# used as a keyword argument- i.e. it's an invisible name in the
    # function signature.
    if len(sender) == 0:
        sender = None
    elif len(sender) > 1:
        raise TypeError('send() accepts only one positional argument, '
                        '%s given' % len(sender))
    else:
        sender = sender[0]
    if not self.receivers or app.config['TESTING']:
        return []
    else:
        return [(receiver, receiver(sender, **kwargs))
                for receiver in self.receivers_for(sender)]

Signal.send = new_send

event_signals = Namespace()

event_json_modified = event_signals.signal('event_json_modified')
speakers_modified = event_signals.signal('speakers_modified')
sessions_modified = event_signals.signal('sessions_modified')
microlocations_modified = event_signals.signal('microlocations_modified')

def process_request(self, request):
        self.events = []

        if getattr(Signal.send, "__wrapped", False):
            return

        orig_send = Signal.send
        events = self.events

        def wrapped_send(self, *sender, **kwargs):
            d = {"signal_name": self.name, "sender": str(sender[0]), "args": kwargs}
            events.append(d)
            return orig_send(self, *sender, **kwargs)

        wrapped_send.__wrapped = True
        Signal.send = wrapped_send

def process_request(self, request):
        self.events = []

        if getattr(Signal.send, "__wrapped", False):
            return

        orig_send = Signal.send
        events = self.events

        def wrapped_send(self, *sender, **kwargs):
            d = {"signal_name": self.name, "sender": str(sender[0]), "args": kwargs}
            events.append(d)
            return orig_send(self, *sender, **kwargs)

        wrapped_send.__wrapped = True
        Signal.send = wrapped_send

def process_request(self, request):
        self.events = []

        if getattr(Signal.send, "__wrapped", False):
            return

        orig_send = Signal.send
        events = self.events

        def wrapped_send(self, *sender, **kwargs):
            d = {"signal_name": self.name, "sender": str(sender[0]), "args": kwargs}
            events.append(d)
            return orig_send(self, *sender, **kwargs)

        wrapped_send.__wrapped = True
        Signal.send = wrapped_send