From e8850e4aa5015715f1a9a9ae87362b7832bdeed9 Mon Sep 17 00:00:00 2001
From: slush0 <slush@satoshilabs.com>
Date: Wed, 28 Sep 2016 22:57:45 +0200
Subject: [PATCH] Fixing generator startup in read_message.

---
 src/trezor/wire/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/trezor/wire/__init__.py b/src/trezor/wire/__init__.py
index d820b4bf..444b3885 100644
--- a/src/trezor/wire/__init__.py
+++ b/src/trezor/wire/__init__.py
@@ -82,6 +82,7 @@ async def read_message(session_id, *exp_types):
     future = Future()
     wire_decoder = decode_wire_stream(
         _dispatch_and_build_protobuf, session_id, exp_types, future)
+    wire_decoder.send(None)
     register_session(session_id, wire_decoder)
     return await future