code: def sendExact( signal=Any, sender=Anonymous, *arguments, **named ):
      
      responses = []
      for receiver in liveReceivers(getReceivers(sender, signal)):
          response = robustapply.robustApply(
              receiver,
              signal=signal,
              sender=sender,
              *arguments,
              **named
          )
          responses.append((receiver, response))
      return responses
docs: Send signal only to those receivers registered for exact message
  
      sendExact allows for avoiding Any/Anonymous registered
      handlers, sending only to those receivers explicitly
      registered for a particular signal on a particular
      sender.