From 0106e6b6fb05aa606aa7d07aa14a8fd3dc72842a Mon Sep 17 00:00:00 2001
From: slush0 <slush@satoshilabs.com>
Date: Wed, 9 Jul 2014 23:41:02 +0200
Subject: [PATCH] Added '?' to pinmatrix

---
 trezorlib/pinmatrix.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trezorlib/pinmatrix.py b/trezorlib/pinmatrix.py
index 24f6ea4..749c69b 100644
--- a/trezorlib/pinmatrix.py
+++ b/trezorlib/pinmatrix.py
@@ -7,7 +7,7 @@ from PyQt4.QtCore import QObject, SIGNAL, QRegExp, Qt
 
 class PinButton(QPushButton):
     def __init__(self, password, encoded_value):
-        super(PinButton, self).__init__()
+        super(PinButton, self).__init__('?')
         self.password = password
         self.encoded_value = encoded_value