fix spesmilo#4082

firoorg · Jul 14, 2018 · 22d578c · 22d578c
1 parent a92e057
commit 22d578c
Showing 1 changed file with 22 additions and 5 deletions.
diff --git 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():