Wait for stream close before returning from callback.

Author: ktlim

python/s3daemon/s3daemon.py

@@ -73,6 +73,9 @@ async def handle_client(client, reader, writer):
             writer.write(b"Success")
         except Exception as e:
             writer.write(bytes(repr(e), "UTF-8"))
+    await writer.drain()
+    writer.close()
+    await writer.wait_closed()
     log.info("%f %f sec", start, time.time() - start)