Merge pull request #26.

dainnilsson · dainnilsson · commit 93fb1bf82990 · 2017-06-16T12:00:13.000+02:00
diff --git a/u2flib_host/hid_transport.py b/u2flib_host/hid_transport.py
@@ -81,7 +81,7 @@ def list_devices(dev_class=None):
                 device.open()
                 device.close()
                 devices.append(dev_class(d['path']))
-            except exc.DeviceError:
+            except (exc.DeviceError, IOError, OSError):
                 pass
     return devices
 
