From 1179bd407b82b2f102f82085b512492366952287 Mon Sep 17 00:00:00 2001
From: matejcik <ja@matejcik.cz>
Date: Thu, 6 Dec 2018 15:07:50 +0100
Subject: [PATCH] client: fix bug with old firmware that doesn't send the
 "model" field

---
 trezorlib/client.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/trezorlib/client.py b/trezorlib/client.py
index fc4f5d55b..1638112ff 100644
--- a/trezorlib/client.py
+++ b/trezorlib/client.py
@@ -200,7 +200,8 @@ class TrezorClient:
     def is_outdated(self):
         if self.features.bootloader_mode:
             return False
-        required_version = MINIMUM_FIRMWARE_VERSION[self.features.model]
+        model = self.features.model or "1"
+        required_version = MINIMUM_FIRMWARE_VERSION[model]
         return self.version < required_version
 
     def check_firmware_version(self, warn_only=False):