Simplify tcp_echo_server

Author: Vincent Michel

examples/tcp_echo_server.py

@@ -18,7 +18,7 @@ async def handle_echo(reader, writer):
 async def start_serving():
     server = await asyncio.start_server(handle_echo, '127.0.0.1', 8888)
     print('Serving on {}'.format(server.sockets[0].getsockname()))
-    return stop_serving(server)
+    return server
 
 
 async def stop_serving(server):
@@ -28,7 +28,7 @@ async def stop_serving(server):
 
 # Start the server
 loop = asyncio.get_event_loop()
-stop_coro = loop.run_until_complete(start_serving())
+server = loop.run_until_complete(start_serving())
 
 # Serve requests until Ctrl+C is pressed
 try:
@@ -37,5 +37,5 @@ async def stop_serving(server):
     pass
 
 # Close the server
-loop.run_until_complete(stop_coro)
+loop.run_until_complete(stop_serving(server))
 loop.close()