From 22d578c238084d1a36b76c8e55d0a31a6e595e88 Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Thu, 15 Mar 2018 13:06:21 +0100
Subject: [PATCH] fix #4082

---
 plugins/trezor/trezor.py | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/plugins/trezor/trezor.py b/plugins/trezor/trezor.py
index 24d76692698a..7282b937c851 100644
--- a/plugins/trezor/trezor.py
+++ b/plugins/trezor/trezor.py
@@ -131,11 +131,28 @@ def enumerate(self):
         except ImportError:
             # compat for trezorlib < 0.9.2
             def all_transports():
-                from trezorlib.transport_bridge import BridgeTransport
-                from trezorlib.transport_hid import HidTransport
-                from trezorlib.transport_udp import UdpTransport
-                from trezorlib.transport_webusb import WebUsbTransport
-                return (BridgeTransport, HidTransport, UdpTransport, WebUsbTransport)
+                transports = []
+                try:
+                    from trezorlib.transport_bridge import BridgeTransport
+                    transports.append(BridgeTransport)
+                except BaseException:
+                    pass
+                try:
+                    from trezorlib.transport_hid import HidTransport
+                    transports.append(HidTransport)
+                except BaseException:
+                    pass
+                try:
+                    from trezorlib.transport_udp import UdpTransport
+                    transports.append(UdpTransport)
+                except BaseException:
+                    pass
+                try:
+                    from trezorlib.transport_webusb import WebUsbTransport
+                    transports.append(WebUsbTransport)
+                except BaseException:
+                    pass
+                return transports
 
         devices = []
         for transport in all_transports():