From 88b789e8ae710650da7c79eba291d67056399ac5 Mon Sep 17 00:00:00 2001
From: Jochen Hoenicke <hoenicke@gmail.com>
Date: Fri, 16 Mar 2018 07:00:00 +0100
Subject: [PATCH] trezorctl: fix bug in sign_tx. (#237)

Set address to None, if user didn't specify address.  Otherwise trezorctl
would send an empty string as address instead of not including it.
---
 trezorctl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/trezorctl b/trezorctl
index d7f99e511e..115993eea1 100755
--- a/trezorctl
+++ b/trezorctl
@@ -521,6 +521,7 @@ def sign_tx(connect, coin):
         if address:
             address_n = None
         else:
+            address = None
             address_n = click.prompt('BIP-32 path (for change output)', type=client.expand_path, default='')
             if not address_n:
                 break