From 297e89db5ca356e416920756208656f5da9580d8 Mon Sep 17 00:00:00 2001
From: Neil Booth <kyuupichan@gmail.com>
Date: Sat, 6 Feb 2016 15:08:56 +0900
Subject: [PATCH] Install wizard: error out when no devices found

Fixes 1668
---
 plugins/trezor/plugin.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py
index af046fb03..f7bd3a474 100644
--- a/plugins/trezor/plugin.py
+++ b/plugins/trezor/plugin.py
@@ -220,6 +220,9 @@ class TrezorCompatiblePlugin(HW_PluginBase):
         process.  Then create the wallet accounts.'''
         devmgr = self.device_manager()
         device_info = devmgr.select_device(wallet, self)
+        if not device_info:
+            wallet.handler.show_error(_("No devices found"))
+            raise RuntimeError("No devices found")
         devmgr.pair_wallet(wallet, device_info.device.id_)
         if device_info.initialized:
             task = partial(wallet.create_hd_account, None)