refactored

a_transceiver.py

@@ -1,4 +1,3 @@
-from a_backend import ABackend
 from msg.listener import MsgListener
 
 
@@ -6,14 +5,9 @@ class ATransceiver(MsgListener):
 	def __init__(self, name: str):
 		MsgListener.__init__(self)
 		self.name = name
-		self.backend = None
 
 	def on_recv(self, msg):
 		pass
 
-	def on_register(self, backend: ABackend):
-		self.backend = backend
-
 	def send(self, data: bytes):
-		self.backend.send(self.name, data)
-
+		pass