self.request.GET['hub.verify_token'] error

[AhsanSheraz]

def get(self, request, *args, **kwargs):
		try:
			print(self.request.GET)
			token = self.request.GET['hub.verify_token']
		except MultiValueDictKeyError:
			print("hhhhhhhhhh")
			token = False

		if token == VERIFY_TOKEN:
			return HttpResponse(self.request.GET['hub.challenge'])
		else:
			return HttpResponse('Error, invalid token')

it returned <QueryDict: {}>